[Form] [DoctrineBridge] updated changelogs after #18359

follows #18359.

Author: HeahDude

CHANGELOG.md

@@ -7,6 +7,8 @@ CHANGELOG
  * added "{{ value }}" message placeholder to UniqueEntityValidator
  * deprecated `MergeDoctrineCollectionListener::onBind` in favor of
    `MergeDoctrineCollectionListener::onSubmit`
+ * deprecated passing `ChoiceListFactoryInterface` as first argument of
+   `DoctrineChoiceLoader`'s constructor
 
 3.0.0
 -----

Form/ChoiceList/DoctrineChoiceLoader.php

@@ -24,11 +24,6 @@
  */
 class DoctrineChoiceLoader implements ChoiceLoaderInterface
 {
-    /**
-     * @var ChoiceListFactoryInterface
-     */
-    private $factory;
-
     /**
      * @var ObjectManager
      */
@@ -78,7 +73,6 @@ public function __construct($manager, $class, $idReader = null, $objectLoader =
 
             // Provide a BC layer since $factory has changed
             // form first to last argument as of 3.1
-            $this->factory = $manager;
             $manager = $class;
             $class = $idReader;
             $objectLoader = $factory;