Remove generated directories with 100s of files.

client/dom/generated/src/interface/WorkerNavigator.dart

Index: client/dom/generated/src/interface/WorkerNavigator.dart
diff --git a/client/dom/generated/src/interface/WorkerNavigator.dart b/client/dom/generated/src/interface/WorkerNavigator.dart
deleted file mode 100644
index f5fcf2009c24381d958daffbdba50166420c7bc4..0000000000000000000000000000000000000000
--- a/client/dom/generated/src/interface/WorkerNavigator.dart
+++ /dev/null
@@ -1,18 +0,0 @@
-// Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-// WARNING: Do not edit - generated code.
-
-interface WorkerNavigator {
-
-  final String appName;
-
-  final String appVersion;
-
-  final bool onLine;
-
-  final String platform;
-
-  final String userAgent;
-}