Remove generated directories with 100s of files.

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

Index: client/dom/generated/src/wrapping/_HTMLMapElementWrappingImplementation.dart
diff --git a/client/dom/generated/src/wrapping/_HTMLMapElementWrappingImplementation.dart b/client/dom/generated/src/wrapping/_HTMLMapElementWrappingImplementation.dart
deleted file mode 100644
index 96cd119f7b2aec3b8ec263af396f5523784f4126..0000000000000000000000000000000000000000
--- a/client/dom/generated/src/wrapping/_HTMLMapElementWrappingImplementation.dart
+++ /dev/null
@@ -1,24 +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 _HTMLMapElementWrappingImplementation extends _HTMLElementWrappingImplementation implements HTMLMapElement {
-  _HTMLMapElementWrappingImplementation() : super() {}
-
-  static create__HTMLMapElementWrappingImplementation() native {
-    return new _HTMLMapElementWrappingImplementation();
-  }
-
-  HTMLCollection get areas() { return _get_areas(this); }
-  static HTMLCollection _get_areas(var _this) native;
-
-  String get name() { return _get_name(this); }
-  static String _get_name(var _this) native;
-
-  void set name(String value) { _set_name(this, value); }
-  static void _set_name(var _this, String value) native;
-
-  String get typeName() { return "HTMLMapElement"; }
-}