Remove generated directories with 100s of files.

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

Index: client/dom/generated/src/wrapping/_MutationEventWrappingImplementation.dart
diff --git a/client/dom/generated/src/wrapping/_MutationEventWrappingImplementation.dart b/client/dom/generated/src/wrapping/_MutationEventWrappingImplementation.dart
deleted file mode 100644
index afb1f168db8f8bb3c2f48ce826ad7dafa27a94a2..0000000000000000000000000000000000000000
--- a/client/dom/generated/src/wrapping/_MutationEventWrappingImplementation.dart
+++ /dev/null
@@ -1,36 +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 _MutationEventWrappingImplementation extends _EventWrappingImplementation implements MutationEvent {
-  _MutationEventWrappingImplementation() : super() {}
-
-  static create__MutationEventWrappingImplementation() native {
-    return new _MutationEventWrappingImplementation();
-  }
-
-  int get attrChange() { return _get_attrChange(this); }
-  static int _get_attrChange(var _this) native;
-
-  String get attrName() { return _get_attrName(this); }
-  static String _get_attrName(var _this) native;
-
-  String get newValue() { return _get_newValue(this); }
-  static String _get_newValue(var _this) native;
-
-  String get prevValue() { return _get_prevValue(this); }
-  static String _get_prevValue(var _this) native;
-
-  Node get relatedNode() { return _get_relatedNode(this); }
-  static Node _get_relatedNode(var _this) native;
-
-  void initMutationEvent(String type, bool canBubble, bool cancelable, Node relatedNode, String prevValue, String newValue, String attrName, int attrChange) {
-    _initMutationEvent(this, type, canBubble, cancelable, relatedNode, prevValue, newValue, attrName, attrChange);
-    return;
-  }
-  static void _initMutationEvent(receiver, type, canBubble, cancelable, relatedNode, prevValue, newValue, attrName, attrChange) native;
-
-  String get typeName() { return "MutationEvent"; }
-}