Remove generated directories with 100s of files.

client/dom/generated/src/interface/HTMLBodyElement.dart

Index: client/dom/generated/src/interface/HTMLBodyElement.dart
diff --git a/client/dom/generated/src/interface/HTMLBodyElement.dart b/client/dom/generated/src/interface/HTMLBodyElement.dart
deleted file mode 100644
index f607bfddfbf1eae156d3391be6b8db2a4fa71a32..0000000000000000000000000000000000000000
--- a/client/dom/generated/src/interface/HTMLBodyElement.dart
+++ /dev/null
@@ -1,20 +0,0 @@
-// Copyright (c) 2012, 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.
-
-interface HTMLBodyElement extends HTMLElement {
-
-  String aLink;
-
-  String background;
-
-  String bgColor;
-
-  String link;
-
-  String text;
-
-  String vLink;
-}