PSR 2 compliance

lib/Controller/NavController.php

@@ -21,7 +21,6 @@ namespace OCA\SideMenu\Controller;
 use OC;
 use OC\App\AppStore\Fetcher\CategoryFetcher;
 use OC\URLGenerator;
-use OCA\SideMenu\AppInfo\Application;
 use OCA\SideMenu\Service\AppRepository;
 use OCA\SideMenu\Service\ConfigProxy;
 use OCP\AppFramework\Controller;
@@ -58,12 +57,8 @@ class NavController extends Controller
      */
     protected $router;
 
-    /**
-     * @param string  $appName
-     * @param IConfig $config
-     */
     public function __construct(
-        $appName,
+        string $appName,
         IRequest $request,
         ConfigProxy $config,
         AppRepository $appRepository,