remove unused import

Author: cconard96

tests/functional/Glpi/Api/HL/Controller/GraphQLControllerTest.php

@@ -34,7 +34,6 @@
 
 namespace tests\units\Glpi\Api\HL\Controller;
 
-use Glpi\Api\HL\GraphQLGenerator;
 use Glpi\Api\HL\Middleware\InternalAuthMiddleware;
 use Glpi\Api\HL\Router;
 use Glpi\Http\Request;