Remove generated directories with 100s of files.

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

Index: client/dom/generated/src/wrapping/_XMLHttpRequestProgressEventWrappingImplementation.dart
diff --git a/client/dom/generated/src/wrapping/_XMLHttpRequestProgressEventWrappingImplementation.dart b/client/dom/generated/src/wrapping/_XMLHttpRequestProgressEventWrappingImplementation.dart
deleted file mode 100644
index aa81fe0c0f974b24abc02848890169fa86df1845..0000000000000000000000000000000000000000
--- a/client/dom/generated/src/wrapping/_XMLHttpRequestProgressEventWrappingImplementation.dart
+++ /dev/null
@@ -1,21 +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 _XMLHttpRequestProgressEventWrappingImplementation extends _ProgressEventWrappingImplementation implements XMLHttpRequestProgressEvent {
-  _XMLHttpRequestProgressEventWrappingImplementation() : super() {}
-
-  static create__XMLHttpRequestProgressEventWrappingImplementation() native {
-    return new _XMLHttpRequestProgressEventWrappingImplementation();
-  }
-
-  int get position() { return _get_position(this); }
-  static int _get_position(var _this) native;
-
-  int get totalSize() { return _get_totalSize(this); }
-  static int _get_totalSize(var _this) native;
-
-  String get typeName() { return "XMLHttpRequestProgressEvent"; }
-}