Remove generated directories with 100s of files.

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

Index: client/dom/generated/src/wrapping/_CloseEventWrappingImplementation.dart
diff --git a/client/dom/generated/src/wrapping/_CloseEventWrappingImplementation.dart b/client/dom/generated/src/wrapping/_CloseEventWrappingImplementation.dart
deleted file mode 100644
index 23d9ac2b21651feaf94cf44cc7ba6ad39ac79c8c..0000000000000000000000000000000000000000
--- a/client/dom/generated/src/wrapping/_CloseEventWrappingImplementation.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 _CloseEventWrappingImplementation extends _EventWrappingImplementation implements CloseEvent {
-  _CloseEventWrappingImplementation() : super() {}
-
-  static create__CloseEventWrappingImplementation() native {
-    return new _CloseEventWrappingImplementation();
-  }
-
-  int get code() { return _get_code(this); }
-  static int _get_code(var _this) native;
-
-  String get reason() { return _get_reason(this); }
-  static String _get_reason(var _this) native;
-
-  bool get wasClean() { return _get_wasClean(this); }
-  static bool _get_wasClean(var _this) native;
-
-  String get typeName() { return "CloseEvent"; }
-}