fix(oauth2): Do not store the code in throttle metadata

Signed-off-by: Côme Chilliet <come.chilliet@nextcloud.com>

Author: come-nc

apps/oauth2/lib/Controller/OauthApiController.php

@@ -93,7 +93,7 @@ public function getToken(
 			$response = new JSONResponse([
 				'error' => 'invalid_request',
 			], Http::STATUS_BAD_REQUEST);
-			$response->throttle(['invalid_request' => 'token not found', 'code' => $code]);
+			$response->throttle(['invalid_request' => 'token not found']);
 			return $response;
 		}