Remove the Dromaeo and TodoMVC samples.

tests/html/dromaeo_noop/dromaeo_smoke.dart.js

Index: tests/html/dromaeo_noop/dromaeo_smoke.dart.js
diff --git a/tests/html/dromaeo_noop/dromaeo_smoke.dart.js b/tests/html/dromaeo_noop/dromaeo_smoke.dart.js
deleted file mode 100644
index d1f3214f478b48f0b0a5411e0bf85fe256fcbc9c..0000000000000000000000000000000000000000
--- a/tests/html/dromaeo_noop/dromaeo_smoke.dart.js
+++ /dev/null
@@ -1,9 +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.
-
-window.onload = function(){
-  startTest("dom-nothing");
-  test( "no-op", function(){});
-  endTest();
-};