Merge branch '3.4'

* 3.4:
  [3.4] Remove useless docblocks
  [3.3] More docblock fixes
  [2.7] More docblock fixes
  [TwigBridge] Fix BC break due required twig environment
  Random fixes
  Docblock fixes
  [DI] Fix cannot bind env var
  Fix some signatures in PHP-DSLs
  [HttpKernel] Enhance deprecation message
  bumped Symfony version to 3.4.0
  updated VERSION for 3.4.0-BETA3
  updated CHANGELOG for 3.4.0-BETA3
  [SecurityBundle] Fix the datacollector to properly support decision.object being null

Author: nicolas-grekas

Extension/Core/Type/ChoiceType.php

@@ -346,10 +346,6 @@ public function getBlockPrefix()
 
     /**
      * Adds the sub fields for an expanded choice field.
-     *
-     * @param FormBuilderInterface $builder     The form builder
-     * @param array                $choiceViews The choice view objects
-     * @param array                $options     The build options
      */
     private function addSubForms(FormBuilderInterface $builder, array $choiceViews, array $options)
     {
@@ -370,11 +366,6 @@ private function addSubForms(FormBuilderInterface $builder, array $choiceViews,
     }
 
     /**
-     * @param FormBuilderInterface $builder
-     * @param                      $name
-     * @param                      $choiceView
-     * @param array                $options
-     *
      * @return mixed
      */
     private function addSubForm(FormBuilderInterface $builder, $name, ChoiceView $choiceView, array $options)

Extension/Core/Type/DateType.php

@@ -285,7 +285,7 @@ public function getBlockPrefix()
     private function formatTimestamps(\IntlDateFormatter $formatter, $regex, array $timestamps)
     {
         $pattern = $formatter->getPattern();
-        $timezone = $formatter->getTimezoneId();
+        $timezone = $formatter->getTimeZoneId();
         $formattedTimestamps = array();
 
         $formatter->setTimeZone('UTC');

FormEvent.php

@@ -21,12 +21,6 @@ class FormEvent extends Event
     private $form;
     protected $data;
 
-    /**
-     * Constructs an event.
-     *
-     * @param FormInterface $form The associated form
-     * @param mixed         $data The data
-     */
     public function __construct(FormInterface $form, $data)
     {
         $this->form = $form;

Tests/Extension/Core/DataMapper/PropertyPathMapperTest.php

@@ -41,8 +41,6 @@ protected function setUp()
     }
 
     /**
-     * @param $path
-     *
      * @return \PHPUnit_Framework_MockObject_MockObject
      */
     private function getPropertyPath($path)