minor symfony#24725 [PropertyInfo] Remove useless docblocks (nicolas-grekas)

This PR was merged into the 2.8 branch.

Discussion
----------

[PropertyInfo] Remove useless docblocks

| Q             | A
| ------------- | ---
| Branch?       | 2.8
| Bug fix?      | no
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | -
| License       | MIT
| Doc PR        | -

Commits
-------

b58c31f [PropertyInfo] Remove useless docblocks

Author: ogizanagi

src/Symfony/Component/PropertyInfo/Extractor/ReflectionExtractor.php

@@ -25,22 +25,16 @@ class ReflectionExtractor implements PropertyListExtractorInterface, PropertyTyp
 {
     /**
      * @internal
-     *
-     * @var string[]
      */
     public static $mutatorPrefixes = array('add', 'remove', 'set');
 
     /**
      * @internal
-     *
-     * @var string[]
      */
     public static $accessorPrefixes = array('is', 'can', 'get');
 
     /**
      * @internal
-     *
-     * @var string[]
      */
     public static $arrayMutatorPrefixes = array('add', 'remove');
 

src/Symfony/Component/PropertyInfo/Extractor/SerializerExtractor.php

@@ -21,9 +21,6 @@
  */
 class SerializerExtractor implements PropertyListExtractorInterface
 {
-    /**
-     * @var ClassMetadataFactoryInterface
-     */
     private $classMetadataFactory;
 
     public function __construct(ClassMetadataFactoryInterface $classMetadataFactory)

src/Symfony/Component/PropertyInfo/Type.php

@@ -47,34 +47,11 @@ class Type
         self::BUILTIN_TYPE_ITERABLE,
     );
 
-    /**
-     * @var string
-     */
     private $builtinType;
-
-    /**
-     * @var bool
-     */
     private $nullable;
-
-    /**
-     * @var string|null
-     */
     private $class;
-
-    /**
-     * @var bool
-     */
     private $collection;
-
-    /**
-     * @var Type|null
-     */
     private $collectionKeyType;
-
-    /**
-     * @var Type|null
-     */
     private $collectionValueType;
 
     /**