Cleanup

lib/tools/mqtt_core.dart

@@ -20,6 +20,7 @@ import 'package:stadtbote/tools/messages/job_deleted_message.dart';
 import 'package:stadtbote/tools/messages/job_received_message.dart';
 import 'package:stadtbote/tools/messages/message_message.dart';
 import 'package:stadtbote/tools/messages/session_info_update.dart';
+// ignore: depend_on_referenced_packages
 import 'package:typed_data/typed_buffers.dart';
 import 'package:http/http.dart' as http;
 import 'package:uuid/uuid.dart';