Remove generated directories with 100s of files.

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

Index: client/dom/generated/src/interface/Worker.dart
diff --git a/client/dom/generated/src/interface/Worker.dart b/client/dom/generated/src/interface/Worker.dart
deleted file mode 100644
index 0cd8d4c23bec1727e77d8c9253a378559800f3b1..0000000000000000000000000000000000000000
--- a/client/dom/generated/src/interface/Worker.dart
+++ /dev/null
@@ -1,16 +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 Worker extends AbstractWorker default _WorkerFactoryProvider {
-
-  Worker(String scriptUrl);
-
-  void postMessage(Dynamic message, [List messagePorts]);
-
-  void terminate();
-
-  void webkitPostMessage(Dynamic message, [List messagePorts]);
-}