Remove link to ping.rust-lang.org

Author: rylev

templates/footer.hbs

@@ -6,7 +6,6 @@
         <ul>
           <li><a href="https://doc.rust-lang.org" target="_blank" rel="noopener">Documentation</a></li>
           <li><a href="mailto:[email protected]">Contact the Rust Team</a></li>
-          <li><a href="http://ping.rust-lang.org">Check Website Status</a></li>
         </ul>
       </div>
       <div class="four columns mt3 mt0-l">