Revert "[TASK] Change injectMethods to annotations"

This reverts commit e316f7cd6dc115103bfab9336fd48fe0e97af680.
Revert "[TASK] Replace inject methods with @inject"

This reverts commit e83fa716d5094c05da0454dec8636098a8eda775.

Conflicts:
	typo3/sysext/extbase/Classes/Mvc/Cli/RequestBuilder.php
	typo3/sysext/extbase/Classes/Persistence/Generic/Mapper/DataMapper.php
	typo3/sysext/extbase/Classes/Persistence/Generic/PersistenceManager.php
	typo3/sysext/extbase/Classes/Persistence/Repository.php
	typo3/sysext/extbase/Classes/Validation/ValidatorResolver.php
	typo3/sysext/extbase/Tests/Unit/Configuration/BackendConfigurationManagerTest.php
	typo3/sysext/extbase/Tests/Unit/Mvc/Cli/RequestBuilderTest.php
	typo3/sysext/extbase/Tests/Unit/Persistence/Generic/Mapper/DataMapperTest.php
	typo3/sysext/extbase/Tests/Unit/Persistence/Generic/PersistenceManagerTest.php

Change-Id: I728fdde00cc4e02555d738b0eead9c5456083ed3
[DOC] Updated performance section about inject annotations vs. methods

Change-Id: Ic2d35f198c802ad77c72452bd50f1415851496de