Remove survey prompt.

src/site/_includes/footer.html

 
   <footer class="footer container-full">
     <div class="container">
       <div class="row">
         <div class="col-md-5">
           <h3>A new language, with tools and libraries, for SCALABLE web app engineering</h3>
           <p>Dart is an <a href="https://code.google.com/p/dart/">open-source project</a> with contributors from Google and elsewhere.</p>
           <p class="sm">Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 3.0 License, and code samples are licensed under the BSD License.</p>
         </div>
         <div class="col-md-2 col-md-offset-1">
@@ skipping 22 matching lines @@
             <li><a href="/support/">Mailing lists</a></li>
             <li><a href="https://plus.google.com/communities/114566943291919232850">G+ community</a></li>
             <li><a href="https://plus.google.com/+dartlang/posts">G+ announcement group</a></li>
             <li><a href="http://stackoverflow.com/questions/tagged/dart">Stack Overflow</a></li>
           </ul>
         </div>
       </div>
     </div>
   </footer> <!-- End footer -->
 
-{% include survey_prompt.html %}
-
 {% bundle %}
 - /js/jquery.js
 - /js/bootstrap.min.js
 - /js/prettify.js
 - /js/lang-dart.js
 - /js/lang-yaml.js
 - /js/scripts.js
 {% endbundle %}
 
 {% for js in page.js %}
 <script {% if js.defer %}defer{% endif %} src="{{ js.url }}"></script>
 {% endfor %}
 
 </body>
 </html>