Remove generated directories with 100s of files.

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

Index: client/dom/generated/src/wrapping/_DOMMimeTypeArrayWrappingImplementation.dart
diff --git a/client/dom/generated/src/wrapping/_DOMMimeTypeArrayWrappingImplementation.dart b/client/dom/generated/src/wrapping/_DOMMimeTypeArrayWrappingImplementation.dart
deleted file mode 100644
index 0092b21a2a8c8a61c960d405d3f02d5fc634b368..0000000000000000000000000000000000000000
--- a/client/dom/generated/src/wrapping/_DOMMimeTypeArrayWrappingImplementation.dart
+++ /dev/null
@@ -1,28 +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 _DOMMimeTypeArrayWrappingImplementation extends DOMWrapperBase implements DOMMimeTypeArray {
-  _DOMMimeTypeArrayWrappingImplementation() : super() {}
-
-  static create__DOMMimeTypeArrayWrappingImplementation() native {
-    return new _DOMMimeTypeArrayWrappingImplementation();
-  }
-
-  int get length() { return _get_length(this); }
-  static int _get_length(var _this) native;
-
-  DOMMimeType item(int index) {
-    return _item(this, index);
-  }
-  static DOMMimeType _item(receiver, index) native;
-
-  DOMMimeType namedItem(String name) {
-    return _namedItem(this, name);
-  }
-  static DOMMimeType _namedItem(receiver, name) native;
-
-  String get typeName() { return "DOMMimeTypeArray"; }
-}