Remove unnecessary constructor parameter

framework/core/src/Notification/NotificationSyncer.php

@@ -37,21 +37,13 @@ class NotificationSyncer
      */
     protected static $sentTo = [];
 
-    /**
-     * @var NotificationRepository
-     */
-    protected $notifications;
-
     /**
      * @var Queue
      */
     protected $queue;
 
-    public function __construct(
-        NotificationRepository $notifications,
-        Queue $queue
-    ) {
-        $this->notifications = $notifications;
+    public function __construct(Queue $queue)
+    {
         $this->queue = $queue;
     }