Remove generated directories with 100s of files.

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

Index: client/dom/generated/src/wrapping/_DocumentFragmentWrappingImplementation.dart
diff --git a/client/dom/generated/src/wrapping/_DocumentFragmentWrappingImplementation.dart b/client/dom/generated/src/wrapping/_DocumentFragmentWrappingImplementation.dart
deleted file mode 100644
index ad0f87631fc9519a0e8406feaa2537fe2eb15345..0000000000000000000000000000000000000000
--- a/client/dom/generated/src/wrapping/_DocumentFragmentWrappingImplementation.dart
+++ /dev/null
@@ -1,25 +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 _DocumentFragmentWrappingImplementation extends _NodeWrappingImplementation implements DocumentFragment {
-  _DocumentFragmentWrappingImplementation() : super() {}
-
-  static create__DocumentFragmentWrappingImplementation() native {
-    return new _DocumentFragmentWrappingImplementation();
-  }
-
-  Element querySelector(String selectors) {
-    return _querySelector(this, selectors);
-  }
-  static Element _querySelector(receiver, selectors) native;
-
-  NodeList querySelectorAll(String selectors) {
-    return _querySelectorAll(this, selectors);
-  }
-  static NodeList _querySelectorAll(receiver, selectors) native;
-
-  String get typeName() { return "DocumentFragment"; }
-}