Remove duplicate / old code accidentally kept in a merge

src/Form/UserRevisionDeleteForm.php

@@ -10,7 +10,6 @@ use Drupal\Core\Url;
 use Drupal\user\UserInterface;
 use Symfony\Component\DependencyInjection\ContainerInterface;
 use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
-use Drupal\Core\Datetime\DateFormatter;
 
 /**
  * Provides a form for delete a user revision.
@@ -38,13 +37,6 @@ class UserRevisionDeleteForm extends ConfirmFormBase {
    */
   protected $userStorage;
 
-  /**
-   * The date formatter service.
-   *
-   * @var \Drupal\Core\Datetime\DateFormatter
-   */
-  protected $dateFormatter;
-
   /**
    * Constructs a new UserRevisionDeleteForm.
    *

src/Form/UserRevisionRevertForm.php

@@ -10,7 +10,6 @@ use Drupal\Core\Url;
 use Drupal\user\UserInterface;
 use Symfony\Component\DependencyInjection\ContainerInterface;
 use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
-use Drupal\Core\Datetime\DateFormatter;
 
 /**
  * Provides a form for reverting a user revision.
@@ -38,13 +37,6 @@ class UserRevisionRevertForm extends ConfirmFormBase {
    */
   protected $userStorage;
 
-  /**
-   * The date formatter service.
-   *
-   * @var \Drupal\Core\Datetime\DateFormatter
-   */
-  protected $dateFormatter;
-
   /**
    * Constructs a new UserRevisionRevertForm.
    *

user_revision.module

@@ -14,15 +14,6 @@ use Drupal\Core\StringTranslation\TranslatableMarkup;
 use Drupal\Core\Url;
 use Drupal\user\UserInterface;
 
-/**
- * Implements hook_entity_type_alter().
- *
- * Update the user entity type to make it revisionable.
- */
-function user_revision_entity_type_alter(array &$entity_types) {
-  user_revision_add_revision_tables_and_keys($entity_types['user']);
-}
-
 /**
  * Implements hook_entity_base_field_info().
  */