Remove generated directories with 100s of files.

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

Index: client/dom/generated/src/wrapping/_HTMLHeadElementWrappingImplementation.dart
diff --git a/client/dom/generated/src/wrapping/_HTMLHeadElementWrappingImplementation.dart b/client/dom/generated/src/wrapping/_HTMLHeadElementWrappingImplementation.dart
deleted file mode 100644
index 18dc7c83be1fe61914a78d8ed960046afd29d1b9..0000000000000000000000000000000000000000
--- a/client/dom/generated/src/wrapping/_HTMLHeadElementWrappingImplementation.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 _HTMLHeadElementWrappingImplementation extends _HTMLElementWrappingImplementation implements HTMLHeadElement {
-  _HTMLHeadElementWrappingImplementation() : super() {}
-
-  static create__HTMLHeadElementWrappingImplementation() native {
-    return new _HTMLHeadElementWrappingImplementation();
-  }
-
-  String get profile() { return _get_profile(this); }
-  static String _get_profile(var _this) native;
-
-  void set profile(String value) { _set_profile(this, value); }
-  static void _set_profile(var _this, String value) native;
-
-  String get typeName() { return "HTMLHeadElement"; }
-}