Remove uneeded implementedEvents().

src/Controller/Component/AuthComponent.php

@@ -281,18 +281,6 @@ class AuthComponent extends Component
     }
 
     /**
-     * Events supported by this component.
-     *
-     * @return array
-     */
-    public function implementedEvents()
-    {
-        return [
-            'Controller.startup' => 'startup',
-        ];
-    }
-
-    /**
      * Checks whether current action is accessible without authentication.
      *
      * @param \Cake\Controller\Controller $controller A reference to the instantiating