Remove generated directories with 100s of files.

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

Index: client/dom/generated/src/wrapping/_CSSPageRuleWrappingImplementation.dart
diff --git a/client/dom/generated/src/wrapping/_CSSPageRuleWrappingImplementation.dart b/client/dom/generated/src/wrapping/_CSSPageRuleWrappingImplementation.dart
deleted file mode 100644
index 5babb98e3b94ee548bb8da4ceda3e0cdc650cab4..0000000000000000000000000000000000000000
--- a/client/dom/generated/src/wrapping/_CSSPageRuleWrappingImplementation.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 _CSSPageRuleWrappingImplementation extends _CSSRuleWrappingImplementation implements CSSPageRule {
-  _CSSPageRuleWrappingImplementation() : super() {}
-
-  static create__CSSPageRuleWrappingImplementation() native {
-    return new _CSSPageRuleWrappingImplementation();
-  }
-
-  String get selectorText() { return _get_selectorText(this); }
-  static String _get_selectorText(var _this) native;
-
-  void set selectorText(String value) { _set_selectorText(this, value); }
-  static void _set_selectorText(var _this, String value) native;
-
-  CSSStyleDeclaration get style() { return _get_style(this); }
-  static CSSStyleDeclaration _get_style(var _this) native;
-
-  String get typeName() { return "CSSPageRule"; }
-}