fix notification + remove unique league

src/BackendBundle/Controller/NotificationController.php

@@ -135,7 +135,8 @@ class NotificationController extends Controller
             [
                 'elements' => $pagination,
                 'countPages' => $pagesCount,
-                'page' => $page
+                'page' => $page,
+                'name' => 'notification'
             ]
         );
     }

src/BackendBundle/Repository/LeagueRepository.php

@@ -21,9 +21,7 @@ class LeagueRepository extends EntityRepository
      */
     public function alreadyExists(League $league): bool
     {
-        return $this->findOneBy([
-            'name' => $league->getName()
-        ]) !== null;
+        return false;
     }
 
     public function findBySport(string $sport, Device $device)