Removed DARTIUM codegen for IDLS (sdk/lib/dartium)

tools/dom/templates/html/dartium/chrome_dartium.darttemplate

Index: tools/dom/templates/html/dartium/chrome_dartium.darttemplate
diff --git a/tools/dom/templates/html/dartium/chrome_dartium.darttemplate b/tools/dom/templates/html/dartium/chrome_dartium.darttemplate
deleted file mode 100644
index 95096b58f56a3dae33c4b12486934c936a057c0f..0000000000000000000000000000000000000000
--- a/tools/dom/templates/html/dartium/chrome_dartium.darttemplate
+++ /dev/null
@@ -1,17 +0,0 @@
-// Copyright (c) 2013, 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.
-
-// DO NOT EDIT
-// Auto-generated dart:_chrome library.
-
-/// Native wrappers for the Chrome Packaged App APIs.
-///
-/// These functions allow direct access to the Packaged App APIs, allowing
-/// Chrome Packaged Apps to be written using Dart.
-///
-/// For more information on these APIs, see the
-/// [Chrome APIs Documentation](http://developer.chrome.com/extensions/api_index.html)
-library _chrome;
-
-import 'dart:_blink' as _blink;