Remove generated directories with 100s of files.

client/dom/generated/src/wrapping/_DOMTokenListWrappingImplementation.dart

Index: client/dom/generated/src/wrapping/_DOMTokenListWrappingImplementation.dart
diff --git a/client/dom/generated/src/wrapping/_DOMTokenListWrappingImplementation.dart b/client/dom/generated/src/wrapping/_DOMTokenListWrappingImplementation.dart
deleted file mode 100644
index 3dc870ea298b10f15818a5a2ff1c6e038410c8ed..0000000000000000000000000000000000000000
--- a/client/dom/generated/src/wrapping/_DOMTokenListWrappingImplementation.dart
+++ /dev/null
@@ -1,50 +0,0 @@
-// Copyright (c) 2011, 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.
-
-class _DOMTokenListWrappingImplementation extends DOMWrapperBase implements DOMTokenList {
-  _DOMTokenListWrappingImplementation() : super() {}
-
-  static create__DOMTokenListWrappingImplementation() native {
-    return new _DOMTokenListWrappingImplementation();
-  }
-
-  int get length() { return _get_length(this); }
-  static int _get_length(var _this) native;
-
-  void add(String token) {
-    _add(this, token);
-    return;
-  }
-  static void _add(receiver, token) native;
-
-  bool contains(String token) {
-    return _contains(this, token);
-  }
-  static bool _contains(receiver, token) native;
-
-  String item(int index) {
-    return _item(this, index);
-  }
-  static String _item(receiver, index) native;
-
-  void remove(String token) {
-    _remove(this, token);
-    return;
-  }
-  static void _remove(receiver, token) native;
-
-  String toString() {
-    return _toString(this);
-  }
-  static String _toString(receiver) native;
-
-  bool toggle(String token) {
-    return _toggle(this, token);
-  }
-  static bool _toggle(receiver, token) native;
-
-  String get typeName() { return "DOMTokenList"; }
-}