Remove lib/dom directory!

lib/dom/templates/html/interface/interface_MutationObserver.darttemplate

Index: lib/dom/templates/html/interface/interface_MutationObserver.darttemplate
===================================================================
--- lib/dom/templates/html/interface/interface_MutationObserver.darttemplate	(revision 12066)
+++ lib/dom/templates/html/interface/interface_MutationObserver.darttemplate	(working copy)
@@ -1,19 +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.
-
-$!COMMENT
-interface $ID$EXTENDS {
-$!MEMBERS
-  void observe(Node target,
-               [Map options,
-                bool childList,
-                bool attributes,
-                bool characterData,
-                bool subtree,
-                bool attributeOldValue,
-                bool characterDataOldValue,
-                List<String> attributeFilter]);
-}