Remove generated directories with 100s of files.

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

Index: client/dom/generated/src/wrapping/_HTMLMenuElementWrappingImplementation.dart
diff --git a/client/dom/generated/src/wrapping/_HTMLMenuElementWrappingImplementation.dart b/client/dom/generated/src/wrapping/_HTMLMenuElementWrappingImplementation.dart
deleted file mode 100644
index c002e51e74417c60a15223fa3c02db5fefdfe67d..0000000000000000000000000000000000000000
--- a/client/dom/generated/src/wrapping/_HTMLMenuElementWrappingImplementation.dart
+++ /dev/null
@@ -1,21 +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 _HTMLMenuElementWrappingImplementation extends _HTMLElementWrappingImplementation implements HTMLMenuElement {
-  _HTMLMenuElementWrappingImplementation() : super() {}
-
-  static create__HTMLMenuElementWrappingImplementation() native {
-    return new _HTMLMenuElementWrappingImplementation();
-  }
-
-  bool get compact() { return _get_compact(this); }
-  static bool _get_compact(var _this) native;
-
-  void set compact(bool value) { _set_compact(this, value); }
-  static void _set_compact(var _this, bool value) native;
-
-  String get typeName() { return "HTMLMenuElement"; }
-}