Remove unused code and templates.

lib/dom/templates/dom/native/dom_impl.darttemplate

Index: lib/dom/templates/dom/native/dom_impl.darttemplate
diff --git a/lib/dom/templates/dom/native/dom_impl.darttemplate b/lib/dom/templates/dom/native/dom_impl.darttemplate
deleted file mode 100644
index 4d3816fde0e1a264d1a37e1cfa0923c80080e0e1..0000000000000000000000000000000000000000
--- a/lib/dom/templates/dom/native/dom_impl.darttemplate
+++ /dev/null
@@ -1,23 +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.
-
-#library("DOM Implementation Library");
-
-#import("dart:coreimpl");
-#import("dart:dom_deprecated");
-#import('dart:html', prefix:'html');
-#import("dart:isolate");
-#import("dart:nativewrappers");
-
-#source('$AUXILIARY_DIR/native_DOMWrapperBase.dart');
-#source('$AUXILIARY_DIR/native_DOMImplementation.dart');
-#source('$AUXILIARY_DIR/native_EventsImplementation.dart');
-#source('$AUXILIARY_DIR/native_FactoryProvidersImplementation.dart');
-#source('$AUXILIARY_DIR/_Collections.dart');
-#source('$AUXILIARY_DIR/_ListIterators.dart');
-#source('$AUXILIARY_DIR/_Lists.dart');
-
-$!SOURCES