Remove removed classes from classmap

Since we remove useless files from the release (tests, ...), it's also good to remove class references to these removed files.

Here's the list of the lines removed from the `concrete/vendor/composer/autoload_classmap.php` file of the release copy:
```
'TreeObjectTest' => $vendorDir . '/anahkiasen/html-object/tests/TreeObjectTest.php',
'TextTest' => $vendorDir . '/anahkiasen/html-object/tests/Elements/TextTest.php',
'TagTest' => $vendorDir . '/anahkiasen/html-object/tests/TagTest.php',
'TableTest' => $vendorDir . '/anahkiasen/html-object/tests/Elements/TableTest.php',
'ListsTest' => $vendorDir . '/anahkiasen/html-object/tests/Elements/ListsTest.php',
'LinkTest' => $vendorDir . '/anahkiasen/html-object/tests/Elements/LinkTest.php',
'InputTest' => $vendorDir . '/anahkiasen/html-object/tests/Elements/InputTest.php',
'ImageTest' => $vendorDir . '/anahkiasen/html-object/tests/Elements/ImageTest.php',
'Icon' => $vendorDir . '/anahkiasen/html-object/tests/TagTest.php',
'HtmlObjectTestCase' => $vendorDir . '/anahkiasen/html-object/tests/TestCases/HtmlObjectTestCase.php',
'HelpersTest' => $vendorDir . '/anahkiasen/html-object/tests/HelpersTest.php',
'ElementTest' => $vendorDir . '/anahkiasen/html-object/tests/Elements/ElementTest.php',
'Imagine\\Test\\ImagineTestCase' => $vendorDir . '/imagine/imagine/lib/Imagine/Test/ImagineTestCase.php',
'Imagine\\Test\\Constraint\\IsImageEqual' => $vendorDir . '/imagine/imagine/lib/Imagine/Test/Constraint/IsImageEqual.php',
'Symfony\\Component\\Console\\Tests\\Fixtures\\DummyOutput' => $vendorDir . '/symfony/console/Symfony/Component/Console/Tests/Fixtures/DummyOutput.php',
'Symfony\\Component\\Console\\Tests\\Fixtures\\DescriptorCommand2' => $vendorDir . '/symfony/console/Symfony/Component/Console/Tests/Fixtures/DescriptorCommand2.php',
'Symfony\\Component\\Console\\Tests\\Fixtures\\DescriptorCommand1' => $vendorDir . '/symfony/console/Symfony/Component/Console/Tests/Fixtures/DescriptorCommand1.php',
'Symfony\\Component\\Console\\Tests\\Fixtures\\DescriptorApplication2' => $vendorDir . '/symfony/console/Symfony/Component/Console/Tests/Fixtures/DescriptorApplication2.php',
'Symfony\\Component\\Console\\Tests\\Fixtures\\DescriptorApplication1' => $vendorDir . '/symfony/console/Symfony/Component/Console/Tests/Fixtures/DescriptorApplication1.php',
'Symfony\\Component\\Console\\Tests\\Descriptor\\ObjectsProvider' => $vendorDir . '/symfony/console/Symfony/Component/Console/Tests/Descriptor/ObjectsProvider.php',
'Symfony\\Component\\Debug\\Tests\\MockExceptionHandler' => $vendorDir . '/symfony/debug/Symfony/Component/Debug/Tests/MockExceptionHandler.php',
'Symfony\\Component\\Debug\\Tests\\Fixtures\\RequiredTwice' => $vendorDir . '/symfony/debug/Symfony/Component/Debug/Tests/Fixtures/RequiredTwice.php',
'Symfony\\Component\\Debug\\Tests\\Fixtures\\PSR4CaseMismatch' => $vendorDir . '/symfony/debug/Symfony/Component/Debug/Tests/Fixtures/psr4/Psr4CaseMismatch.php',
'Symfony\\Component\\Debug\\Tests\\Fixtures\\NotPSR0bis' => $vendorDir . '/symfony/debug/Symfony/Component/Debug/Tests/Fixtures/notPsr0Bis.php',
'Symfony\\Component\\Debug\\Tests\\Fixtures\\NotPSR0' => $vendorDir . '/symfony/debug/Symfony/Component/Debug/Tests/Fixtures/reallyNotPsr0.php',
'Symfony\\Component\\Debug\\Tests\\Fixtures\\CaseMismatch' => $vendorDir . '/symfony/debug/Symfony/Component/Debug/Tests/Fixtures/casemismatch.php',
'Symfony\\Component\\Finder\\Tests\\Iterator\\RealIteratorTestCase' => $vendorDir . '/symfony/finder/Symfony/Component/Finder/Tests/Iterator/RealIteratorTestCase.php',
'Symfony\\Component\\Finder\\Tests\\Iterator\\MockSplFileInfo' => $vendorDir . '/symfony/finder/Symfony/Component/Finder/Tests/Iterator/MockSplFileInfo.php',
'Symfony\\Component\\Finder\\Tests\\Iterator\\MockFileListIterator' => $vendorDir . '/symfony/finder/Symfony/Component/Finder/Tests/Iterator/MockFileListIterator.php',
'Symfony\\Component\\Finder\\Tests\\Iterator\\IteratorTestCase' => $vendorDir . '/symfony/finder/Symfony/Component/Finder/Tests/Iterator/IteratorTestCase.php',
'Symfony\\Component\\Finder\\Tests\\Iterator\\Iterator' => $vendorDir . '/symfony/finder/Symfony/Component/Finder/Tests/Iterator/Iterator.php',
'Symfony\\Component\\Finder\\Tests\\FakeAdapter\\UnsupportedAdapter' => $vendorDir . '/symfony/finder/Symfony/Component/Finder/Tests/FakeAdapter/UnsupportedAdapter.php',
'Symfony\\Component\\Finder\\Tests\\FakeAdapter\\NamedAdapter' => $vendorDir . '/symfony/finder/Symfony/Component/Finder/Tests/FakeAdapter/NamedAdapter.php',
'Symfony\\Component\\Finder\\Tests\\FakeAdapter\\FailingAdapter' => $vendorDir . '/symfony/finder/Symfony/Component/Finder/Tests/FakeAdapter/FailingAdapter.php',
'Symfony\\Component\\Finder\\Tests\\FakeAdapter\\DummyAdapter' => $vendorDir . '/symfony/finder/Symfony/Component/Finder/Tests/FakeAdapter/DummyAdapter.php',
'Symfony\\Component\\HttpFoundation\\Tests\\ResponseTestCase' => $vendorDir . '/symfony/http-foundation/Symfony/Component/HttpFoundation/Tests/ResponseTestCase.php',
'Symfony\\Component\\HttpFoundation\\Tests\\File\\FakeFile' => $vendorDir . '/symfony/http-foundation/Symfony/Component/HttpFoundation/Tests/File/FakeFile.php',
'Symfony\\Component\\HttpKernel\\Tests\\TestHttpKernel' => $vendorDir . '/symfony/http-kernel/Symfony/Component/HttpKernel/Tests/TestHttpKernel.php',
'Symfony\\Component\\HttpKernel\\Tests\\Profiler\\Mock\\RedisMock' => $vendorDir . '/symfony/http-kernel/Symfony/Component/HttpKernel/Tests/Profiler/Mock/RedisMock.php',
'Symfony\\Component\\HttpKernel\\Tests\\Profiler\\Mock\\MemcachedMock' => $vendorDir . '/symfony/http-kernel/Symfony/Component/HttpKernel/Tests/Profiler/Mock/MemcachedMock.php',
'Symfony\\Component\\HttpKernel\\Tests\\Profiler\\Mock\\MemcacheMock' => $vendorDir . '/symfony/http-kernel/Symfony/Component/HttpKernel/Tests/Profiler/Mock/MemcacheMock.php',
'Symfony\\Component\\HttpKernel\\Tests\\Logger' => $vendorDir . '/symfony/http-kernel/Symfony/Component/HttpKernel/Tests/Logger.php',
'Symfony\\Component\\HttpKernel\\Tests\\HttpCache\\TestMultipleHttpKernel' => $vendorDir . '/symfony/http-kernel/Symfony/Component/HttpKernel/Tests/HttpCache/TestMultipleHttpKernel.php',
'Symfony\\Component\\HttpKernel\\Tests\\HttpCache\\TestHttpKernel' => $vendorDir . '/symfony/http-kernel/Symfony/Component/HttpKernel/Tests/HttpCache/TestHttpKernel.php',
'Symfony\\Component\\HttpKernel\\Tests\\HttpCache\\HttpCacheTestCase' => $vendorDir . '/symfony/http-kernel/Symfony/Component/HttpKernel/Tests/HttpCache/HttpCacheTestCase.php',
'Symfony\\Component\\HttpKernel\\Tests\\Fixtures\\TestEventDispatcher' => $vendorDir . '/symfony/http-kernel/Symfony/Component/HttpKernel/Tests/Fixtures/TestEventDispatcher.php',
'Symfony\\Component\\HttpKernel\\Tests\\Fixtures\\TestClient' => $vendorDir . '/symfony/http-kernel/Symfony/Component/HttpKernel/Tests/Fixtures/TestClient.php',
'Symfony\\Component\\HttpKernel\\Tests\\Fixtures\\KernelForOverrideName' => $vendorDir . '/symfony/http-kernel/Symfony/Component/HttpKernel/Tests/Fixtures/KernelForOverrideName.php',
'Symfony\\Component\\HttpKernel\\Tests\\Fixtures\\FooBarBundle' => $vendorDir . '/symfony/http-kernel/Symfony/Component/HttpKernel/Tests/Fixtures/FooBarBundle.php',
'Symfony\\Component\\HttpKernel\\Tests\\Fixtures\\ExtensionPresentBundle\\ExtensionPresentBundle' => $vendorDir . '/symfony/http-kernel/Symfony/Component/HttpKernel/Tests/Fixtures/ExtensionPresentBundle/ExtensionPresentBundle.php',
'Symfony\\Component\\HttpKernel\\Tests\\Fixtures\\ExtensionPresentBundle\\DependencyInjection\\ExtensionPresentExtension' => $vendorDir . '/symfony/http-kernel/Symfony/Component/HttpKernel/Tests/Fixtures/ExtensionPresentBundle/DependencyInjection/ExtensionPresentExtension.php',
'Symfony\\Component\\HttpKernel\\Tests\\Fixtures\\ExtensionPresentBundle\\Command\\FooCommand' => $vendorDir . '/symfony/http-kernel/Symfony/Component/HttpKernel/Tests/Fixtures/ExtensionPresentBundle/Command/FooCommand.php',
'Symfony\\Component\\HttpKernel\\Tests\\Fixtures\\ExtensionPresentBundle\\Command\\BarCommand' => $vendorDir . '/symfony/http-kernel/Symfony/Component/HttpKernel/Tests/Fixtures/ExtensionPresentBundle/Command/BarCommand.php',
'Symfony\\Component\\HttpKernel\\Tests\\Fixtures\\ExtensionLoadedBundle\\ExtensionLoadedBundle' => $vendorDir . '/symfony/http-kernel/Symfony/Component/HttpKernel/Tests/Fixtures/ExtensionLoadedBundle/ExtensionLoadedBundle.php',
'Symfony\\Component\\HttpKernel\\Tests\\Fixtures\\ExtensionLoadedBundle\\DependencyInjection\\ExtensionLoadedExtension' => $vendorDir . '/symfony/http-kernel/Symfony/Component/HttpKernel/Tests/Fixtures/ExtensionLoadedBundle/DependencyInjection/ExtensionLoadedExtension.php',
'Symfony\\Component\\HttpKernel\\Tests\\Fixtures\\ExtensionAbsentBundle\\ExtensionAbsentBundle' => $vendorDir . '/symfony/http-kernel/Symfony/Component/HttpKernel/Tests/Fixtures/ExtensionAbsentBundle/ExtensionAbsentBundle.php',
'Symfony\\Component\\Routing\\Tests\\Fixtures\\RedirectableUrlMatcher' => $vendorDir . '/symfony/routing/Symfony/Component/Routing/Tests/Fixtures/RedirectableUrlMatcher.php',
'Symfony\\Component\\Routing\\Tests\\Fixtures\\CustomXmlFileLoader' => $vendorDir . '/symfony/routing/Symfony/Component/Routing/Tests/Fixtures/CustomXmlFileLoader.php',
'Symfony\\Component\\Routing\\Tests\\Fixtures\\AnnotatedClasses\\FooClass' => $vendorDir . '/symfony/routing/Symfony/Component/Routing/Tests/Fixtures/AnnotatedClasses/FooClass.php',
'Symfony\\Component\\Routing\\Tests\\Fixtures\\AnnotatedClasses\\BarClass' => $vendorDir . '/symfony/routing/Symfony/Component/Routing/Tests/Fixtures/AnnotatedClasses/BarClass.php',
'Symfony\\Component\\Routing\\Tests\\Fixtures\\AnnotatedClasses\\AbstractClass' => $vendorDir . '/symfony/routing/Symfony/Component/Routing/Tests/Fixtures/AnnotatedClasses/AbstractClass.php',
'Symfony\\Component\\Serializer\\Tests\\Normalizer\\TestNormalizer' => $vendorDir . '/symfony/serializer/Symfony/Component/Serializer/Tests/Normalizer/TestNormalizer.php',
'Symfony\\Component\\Serializer\\Tests\\Normalizer\\TestDenormalizer' => $vendorDir . '/symfony/serializer/Symfony/Component/Serializer/Tests/Normalizer/TestDenormalizer.php',
'Symfony\\Component\\Serializer\\Tests\\Fixtures\\TraversableDummy' => $vendorDir . '/symfony/serializer/Symfony/Component/Serializer/Tests/Fixtures/TraversableDummy.php',
'Symfony\\Component\\Serializer\\Tests\\Fixtures\\ScalarDummy' => $vendorDir . '/symfony/serializer/Symfony/Component/Serializer/Tests/Fixtures/ScalarDummy.php',
'Symfony\\Component\\Serializer\\Tests\\Fixtures\\NormalizableTraversableDummy' => $vendorDir . '/symfony/serializer/Symfony/Component/Serializer/Tests/Fixtures/NormalizableTraversableDummy.php',
'Symfony\\Component\\Serializer\\Tests\\Fixtures\\Dummy' => $vendorDir . '/symfony/serializer/Symfony/Component/Serializer/Tests/Fixtures/Dummy.php',
'Symfony\\Component\\Serializer\\Tests\\Fixtures\\DenormalizableDummy' => $vendorDir . '/symfony/serializer/Symfony/Component/Serializer/Tests/Fixtures/DenormalizableDummy.php',
```