Remove generated directories with 100s of files.

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

Index: client/dom/generated/src/wrapping/_StyleMediaWrappingImplementation.dart
diff --git a/client/dom/generated/src/wrapping/_StyleMediaWrappingImplementation.dart b/client/dom/generated/src/wrapping/_StyleMediaWrappingImplementation.dart
deleted file mode 100644
index 01f842a94ba385b9a775043a29e9d993f2499f5f..0000000000000000000000000000000000000000
--- a/client/dom/generated/src/wrapping/_StyleMediaWrappingImplementation.dart
+++ /dev/null
@@ -1,23 +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 _StyleMediaWrappingImplementation extends DOMWrapperBase implements StyleMedia {
-  _StyleMediaWrappingImplementation() : super() {}
-
-  static create__StyleMediaWrappingImplementation() native {
-    return new _StyleMediaWrappingImplementation();
-  }
-
-  String get type() { return _get_type(this); }
-  static String _get_type(var _this) native;
-
-  bool matchMedium(String mediaquery) {
-    return _matchMedium(this, mediaquery);
-  }
-  static bool _matchMedium(receiver, mediaquery) native;
-
-  String get typeName() { return "StyleMedia"; }
-}