Remove generated directories with 100s of files.

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

Index: client/dom/generated/src/wrapping/_DOMMimeTypeWrappingImplementation.dart
diff --git a/client/dom/generated/src/wrapping/_DOMMimeTypeWrappingImplementation.dart b/client/dom/generated/src/wrapping/_DOMMimeTypeWrappingImplementation.dart
deleted file mode 100644
index 79d520d3900c5a680fb6b2c396dc8308d665465c..0000000000000000000000000000000000000000
--- a/client/dom/generated/src/wrapping/_DOMMimeTypeWrappingImplementation.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 _DOMMimeTypeWrappingImplementation extends DOMWrapperBase implements DOMMimeType {
-  _DOMMimeTypeWrappingImplementation() : super() {}
-
-  static create__DOMMimeTypeWrappingImplementation() native {
-    return new _DOMMimeTypeWrappingImplementation();
-  }
-
-  String get description() { return _get_description(this); }
-  static String _get_description(var _this) native;
-
-  DOMPlugin get enabledPlugin() { return _get_enabledPlugin(this); }
-  static DOMPlugin _get_enabledPlugin(var _this) native;
-
-  String get suffixes() { return _get_suffixes(this); }
-  static String _get_suffixes(var _this) native;
-
-  String get type() { return _get_type(this); }
-  static String _get_type(var _this) native;
-
-  String get typeName() { return "DOMMimeType"; }
-}