Remove generated directories with 100s of files.

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

Index: client/dom/generated/src/wrapping/_HTMLModElementWrappingImplementation.dart
diff --git a/client/dom/generated/src/wrapping/_HTMLModElementWrappingImplementation.dart b/client/dom/generated/src/wrapping/_HTMLModElementWrappingImplementation.dart
deleted file mode 100644
index fae908f6120813141cf2cbd2cbd424014d43ac7c..0000000000000000000000000000000000000000
--- a/client/dom/generated/src/wrapping/_HTMLModElementWrappingImplementation.dart
+++ /dev/null
@@ -1,27 +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 _HTMLModElementWrappingImplementation extends _HTMLElementWrappingImplementation implements HTMLModElement {
-  _HTMLModElementWrappingImplementation() : super() {}
-
-  static create__HTMLModElementWrappingImplementation() native {
-    return new _HTMLModElementWrappingImplementation();
-  }
-
-  String get cite() { return _get_cite(this); }
-  static String _get_cite(var _this) native;
-
-  void set cite(String value) { _set_cite(this, value); }
-  static void _set_cite(var _this, String value) native;
-
-  String get dateTime() { return _get_dateTime(this); }
-  static String _get_dateTime(var _this) native;
-
-  void set dateTime(String value) { _set_dateTime(this, value); }
-  static void _set_dateTime(var _this, String value) native;
-
-  String get typeName() { return "HTMLModElement"; }
-}