Remove the Dromaeo and TodoMVC samples.

tests/html/dromaeo_smoke_test.dart

-// 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.
-
-library dromaeo;
-import 'package:unittest/unittest.dart';
-import 'package:unittest/html_config.dart';
-import '../../samples/third_party/dromaeo/web/Dromaeo.dart' as originalTest;
-import 'dart:html';
-import 'dart:async';
-
-/** A variant of the Dromaeo test shoehorned into a unit test. */
-void main() {
-  var combo = '?dartANDhtmlANDnothing';
-  if (!window.location.search.toString().contains(combo)) {
-    if (window.location.href.toString().indexOf("?") == -1) {
-      window.location.href = '${window.location.href}${combo}';
-    } else {
-      window.location.href = '${window.location.href.toString().substring(0,
-          window.location.href.toString().indexOf("?"))}${combo}';
-    }
-  }
-
-  useHtmlConfiguration();
-
-  var scriptSrc = new ScriptElement();
-  scriptSrc.src = '/root_dart/pkg/browser/lib/dart.js';
-  document.head.children.add(scriptSrc);
-  document.body.innerHtml = '''${document.body.innerHtml}
-  <div id="main">
-    <h1 id="overview" class="test"><span>Performance Tests</span>
-    <input type="button" id="pause" class="pause" value="Loading..."/>
-    <div class="bar">
-      <div id="timebar" style="width:25%;">
-        <span class="left">Est.&nbsp;Time:&nbsp;<strong id="left">0:00</strong>
-        </span>
-      </div>
-    </div>
-    <ul id="tests">
-      <li><a href="?dom">Smoke Tests</a></li>
-    </ul>
-  </div>''';
-
-  bool isDone = false;
-  originalTest.main();
-
-  test('dromaeo runs', () {
-    new Timer.periodic(new Duration(milliseconds: 500),
-                       expectAsyncUntil((timer) {
-      if (document.query('.alldone') != null) {
-        timer.cancel();
-        isDone = true;
-      }
-    }, () => isDone));
-  });
-}