Remove generated directories with 100s of files.

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

Index: client/dom/generated/src/wrapping/_HTMLLIElementWrappingImplementation.dart
diff --git a/client/dom/generated/src/wrapping/_HTMLLIElementWrappingImplementation.dart b/client/dom/generated/src/wrapping/_HTMLLIElementWrappingImplementation.dart
deleted file mode 100644
index 0067ecb508afed45d8d53b9b19f4c628eb183d01..0000000000000000000000000000000000000000
--- a/client/dom/generated/src/wrapping/_HTMLLIElementWrappingImplementation.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 _HTMLLIElementWrappingImplementation extends _HTMLElementWrappingImplementation implements HTMLLIElement {
-  _HTMLLIElementWrappingImplementation() : super() {}
-
-  static create__HTMLLIElementWrappingImplementation() native {
-    return new _HTMLLIElementWrappingImplementation();
-  }
-
-  String get type() { return _get_type(this); }
-  static String _get_type(var _this) native;
-
-  void set type(String value) { _set_type(this, value); }
-  static void _set_type(var _this, String value) native;
-
-  int get value() { return _get_value(this); }
-  static int _get_value(var _this) native;
-
-  void set value(int value) { _set_value(this, value); }
-  static void _set_value(var _this, int value) native;
-
-  String get typeName() { return "HTMLLIElement"; }
-}