[HttpKernel] Remove unused method Kernel::isClassInActiveBundle

Follow-up of #11869
[PropertyAccess] Added test to verify #5775 is fixed
[Hackday] [2.7] Add a deprecation note about TypeTestCase
[HttpKernel] Added deprecated error to init()
[HttpKernel] fix deprecation notice for Kernel::init()
Add a deprecation note about CsrfProviderInterface
Add a deprecation note about VirtualFormAwareIterator
Fix deprecation notice on VirtualFormAwareIterator
[Form] Log deprecation of constants, fixes #12607 #12667
Fix return phpdoc
[2.3] Docblocks should not be followed by a blank line
minor #12993 [2.3] Docblocks should not be followed by a blank line (GrahamCampbell)

This PR was squashed before being merged into the 2.3 branch (closes #12993).

Discussion
----------

[2.3] Docblocks should not be followed by a blank line

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | N/A
| License       | MIT
| Doc PR        | N/A

There should be no blank line(s) between phpdocs that document properties, interfaces, classes, functions, or traits. This pull request was a test run of a new php-cs-fixer: https://github.com/FriendsOfPHP/PHP-CS-Fixer/pull/864.

Commits
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4e7ba1b [2.3] Docblocks should not be followed by a blank line
minor #12985 [HttpFoundation] Fix return phpdoc (Koc)

This PR was merged into the 2.3 branch.

Discussion
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[HttpFoundation] Fix return phpdoc

| Q             | A
| ------------- | ---
| Bug fix?      | tiny (for IDE autocompletion)
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | -
| License       | MIT
| Doc PR        | -

What about using `self` or `static` keyword for this?

Commits
-------

9af2d81 Fix return phpdoc
[FrameworkBundle] fix cache:clear command
fix link format handling with disabled templating
[Security] Added the triggering of the security.interactive_login event after set of token
CS: There should be no empty lines following phpdocs
bug #13009 [DebugBundle] fix link format handling with disabled templating (xabbuh)

This PR was merged into the 2.6 branch.

Discussion
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[DebugBundle] fix link format handling with disabled templating

| Q             | A
| ------------- | ---
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | #13007
| License       | MIT
| Doc PR        |

Commits
-------

91b4d1d fix link format handling with disabled templating
minor #13011 CS: There should be no empty lines following phpdocs (keradus)

This PR was merged into the 2.3 branch.

Discussion
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CS: There should be no empty lines following phpdocs

Commits
-------

143f900 CS: There should be no empty lines following phpdocs
Unify the way to provide expression functions for the DI container

Function providers registered on the ContainerBuilder are now reused by
the PhpDumper when dumping the container instead of forcing to register
them again.
Closes #13012