removed unused code

lib/models/ignored_file.dart

@@ -29,9 +29,4 @@ class IgnoredFile {
       kIgnoreReasonTrash,
     );
   }
-
-  @override
-  String toString() {
-    return 'IgnoredFile{localID: $localID, title: $title, deviceFolder: $deviceFolder, reason: $reason}';
-  }
 }