* 3.3:
  fixed years in copyright

* 2.8:
  fixed years in copyright

* 2.7:
  fixed years in copyright

* 3.3:
  Clean up
  Update return type in docblock.
  PHP CS Fixer: no need to exclude xml and yml files
  PHP CS Fixer: no need to exclude json file
  Update LICENSE year... forever

* 2.8:
  Clean up
  Update return type in docblock.
  PHP CS Fixer: no need to exclude xml and yml files
  Update LICENSE year... forever

* 2.7:
  Clean up
  Update return type in docblock.
  PHP CS Fixer: no need to exclude xml and yml files
  Update LICENSE year... forever

* 3.3:
  fixed some deprecation messages
  fixed some deprecation messages
  fixed some deprecation messages
  fixed some deprecation messages
  [2.7][DX] Use constant message contextualisation for deprecations

* 2.7:
  fixed some deprecation messages

* 3.3:
  [Serializer] Fix extra attributes when no group specified
  [Intl] Make intl-data tests pass and save language aliases again
  [Console] Fix CommandTester::setInputs() docblock
  [Serializer] readd default argument value
  [VarDumper] fix trailling comma when dumping an exception
  Remove useless docblocks
  [FrameworkBundle] Fix docblocks
  [PropertyInfo] Remove useless docblocks

* 2.8:
  [Intl] Make intl-data tests pass and save language aliases again
  Remove useless docblocks
  [PropertyInfo] Remove useless docblocks

* 2.7:
  [Intl] Make intl-data tests pass and save language aliases again
  Remove useless docblocks

* 3.3:
  [DI] minor docblock fixes

* 2.8:
  [DI] minor docblock fixes

* 2.7:
  [DI] minor docblock fixes

* 3.3: (23 commits)
  Tests and fix for issue in array model data in EntityType field with multiple=true
  [Form] Fixed PercentToLocalizedStringTransformer to accept both comma and dot as decimal separator, if possible
  removed useless PHPDoc
  [Form] Fix FormInterface::submit() annotation
  [PHPUnitBridge] don't remove when set to  empty string
  PdoSessionHandler: fix advisory lock for pgsql when session.sid_bits_per_character > 4
  HttpCache does not consider ESI resources in HEAD requests
  Fix translation for "This field was not expected"
  [Routing] Enhance Route(Collection) docblocks
  Added improvement for accuracy in MoneyToLocalizedStringTransformer.
  Removed unused private property
  Use correct verb form in the pull request template
  Use PHP_MAXPATHLEN in Filesystem.
  Added null as explicit return type (?TokenInterface)
  [FrameworkBundle] Fix Routing\DelegatingLoader
  Render all line breaks according to the exception message
  [Form] Fix phpdoc
  [DI] remove confusing code
  [Form] Fixed GroupSequence with "constraints" option
  [Validator] Clarify UUID validator behavior
  ...

* 2.8: (22 commits)
  Tests and fix for issue in array model data in EntityType field with multiple=true
  [Form] Fixed PercentToLocalizedStringTransformer to accept both comma and dot as decimal separator, if possible
  removed useless PHPDoc
  [Form] Fix FormInterface::submit() annotation
  PdoSessionHandler: fix advisory lock for pgsql when session.sid_bits_per_character > 4
  HttpCache does not consider ESI resources in HEAD requests
  Fix translation for "This field was not expected"
  [Routing] Enhance Route(Collection) docblocks
  Added improvement for accuracy in MoneyToLocalizedStringTransformer.
  Removed unused private property
  Use correct verb form in the pull request template
  Use PHP_MAXPATHLEN in Filesystem.
  Added null as explicit return type (?TokenInterface)
  [FrameworkBundle] Fix Routing\DelegatingLoader
  Render all line breaks according to the exception message
  [Form] Fix phpdoc
  [DI] remove confusing code
  [Form] Fixed GroupSequence with "constraints" option
  [Validator] Clarify UUID validator behavior
  [Filesystem] Fixed makePathRelative
  ...

* 2.7: (22 commits)
  Tests and fix for issue in array model data in EntityType field with multiple=true
  [Form] Fixed PercentToLocalizedStringTransformer to accept both comma and dot as decimal separator, if possible
  removed useless PHPDoc
  [Form] Fix FormInterface::submit() annotation
  PdoSessionHandler: fix advisory lock for pgsql when session.sid_bits_per_character > 4
  HttpCache does not consider ESI resources in HEAD requests
  Fix translation for "This field was not expected"
  [Routing] Enhance Route(Collection) docblocks
  Added improvement for accuracy in MoneyToLocalizedStringTransformer.
  Removed unused private property
  Use correct verb form in the pull request template
  Use PHP_MAXPATHLEN in Filesystem.
  Added null as explicit return type (?TokenInterface)
  [FrameworkBundle] Fix Routing\DelegatingLoader
  Render all line breaks according to the exception message
  [Form] Fix phpdoc
  [DI] remove confusing code
  [Form] Fixed GroupSequence with "constraints" option
  [Validator] Clarify UUID validator behavior
  [Filesystem] Fixed makePathRelative
  ...

This PR was squashed before being merged into the 2.7 branch (closes #24342).

Discussion
----------

removed useless PHPDoc

| Q             | A
| ------------- | ---
| Branch?       | 2.7
| Bug fix?      | no
| New feature?  | no <!-- don't forget updating src/**/CHANGELOG.md files -->
| BC breaks?    | no
| Deprecations? | no <!-- don't forget updating UPGRADE-*.md files -->
| Tests pass?   | yes
| Fixed tickets |
| License       | MIT
| Doc PR        | n/a

Commits
-------

5ee9043d8b removed useless PHPDoc

* 3.3:
  [CS][2.7] yoda_style, no_unneeded_curly_braces, no_unneeded_final_method, semicolon_after_instruction
  [Filesystem] mirror - fix copying content with same name as source/target.
  Removed unnecessary getDefinition() call.
  .php_cs.dist - simplify config
  [WebProfilerBundle] fixed TemplateManager when using Twig 2 without compat interfaces

* 2.8:
  [CS][2.7] yoda_style, no_unneeded_curly_braces, no_unneeded_final_method, semicolon_after_instruction
  [Filesystem] mirror - fix copying content with same name as source/target.
  .php_cs.dist - simplify config
  [WebProfilerBundle] fixed TemplateManager when using Twig 2 without compat interfaces

* 2.7:
  [CS][2.7] yoda_style, no_unneeded_curly_braces, no_unneeded_final_method, semicolon_after_instruction

[CS][2.7] yoda_style, no_unneeded_curly_braces, no_unneeded_final_method, semicolon_after_instruction

* 3.3:
  Removed useless argument $definition
  Fix comment
  [Config] Fix checking class existence freshness
  bumped Symfony version to 3.3.7
  updated VERSION for 3.3.6
  updated CHANGELOG for 3.3.6
  Bump minimal PHP version to ^5.5.9|>=7.0.8

* 2.7:
  Fix indent of methods

* 3.3:
  Fix optional cache warmers are always instantiated whereas they should be lazy-loaded
  add some \ on PHP_VERSION_ID for 2.8
  [Di] Remove closure-proxy arguments
  [PropertyInfo][DoctrineBridge] The bigint Doctrine's type must be converted to string

* 3.2:
  Fix optional cache warmers are always instantiated whereas they should be lazy-loaded
  add some \ on PHP_VERSION_ID for 2.8
  [PropertyInfo][DoctrineBridge] The bigint Doctrine's type must be converted to string

* 3.3: (31 commits)
  Using FQ name for PHP_VERSION_ID
  [EventDispatcher] Handle laziness internally instead of relying on ClosureProxyArgument
  Fix CacheCollectorPass priority
  [Form] Fix \IntlDateFormatter timezone parameter usage to bypass PHP bug #66323
  [Routing] Allow GET requests to be redirected. Fixes #23004
  [DI] Deal with inlined non-shared services
  [Cache] Ignore missing annotations.php
  [DI] Autowiring exception thrown when inlined service is removed
  Improving deprecation message when hitting the "deprecated type" lookup, but an alias is available
  Harden the debugging of Twig filters and functions
  Fixing a bug where an autowiring exception was thrown even when that service was removed
  Remove extra arg in call to TraceableAdapter::start()
  Support unknown compiler log format
  [Config] Allow empty globs
  Fix decorating TagAware adapters in dev
  [Profiler] Fix clicking on links inside toggle
  [Profiler] Fix text selection on exception pages
  bumped Symfony version to 3.3.1
  updated VERSION for 3.3.0
  updated CHANGELOG for 3.3.0
  ...

* 3.2:
  Using FQ name for PHP_VERSION_ID
  [Form] Fix \IntlDateFormatter timezone parameter usage to bypass PHP bug #66323
  Harden the debugging of Twig filters and functions
  bumped Symfony version to 3.2.10
  updated VERSION for 3.2.9
  updated CHANGELOG for 3.2.9
  bumped Symfony version to 2.8.22
  updated VERSION for 2.8.21
  updated CHANGELOG for 2.8.21
  bumped Symfony version to 2.7.29
  updated VERSION for 2.7.28
  update CONTRIBUTORS for 2.7.28
  updated CHANGELOG for 2.7.28

* 2.8:
  Using FQ name for PHP_VERSION_ID
  [Form] Fix \IntlDateFormatter timezone parameter usage to bypass PHP bug #66323
  Harden the debugging of Twig filters and functions
  bumped Symfony version to 2.8.22
  updated VERSION for 2.8.21
  updated CHANGELOG for 2.8.21
  bumped Symfony version to 2.7.29
  updated VERSION for 2.7.28
  update CONTRIBUTORS for 2.7.28
  updated CHANGELOG for 2.7.28

* 2.7:
  Using FQ name for PHP_VERSION_ID
  [Form] Fix \IntlDateFormatter timezone parameter usage to bypass PHP bug #66323
  Harden the debugging of Twig filters and functions
  bumped Symfony version to 2.7.29
  updated VERSION for 2.7.28
  update CONTRIBUTORS for 2.7.28
  updated CHANGELOG for 2.7.28