Fix PHP CS

Signed-off-by: Joas Schilling <coding@schilljs.com>

Author: nickvergessen

tests/lib/AppFramework/Middleware/Security/RateLimitingMiddlewareTest.php

@@ -27,7 +27,6 @@
 use OC\Security\RateLimiting\Limiter;
 use OCP\AppFramework\Controller;
 use OCP\AppFramework\Http\DataResponse;
-use OCP\AppFramework\Http\JSONResponse;
 use OCP\AppFramework\Http\TemplateResponse;
 use OCP\IRequest;
 use OCP\IUser;