Remove the remote repository-access-through-zmq support Modern methods such as the rqlcontroller cube + the cwclientlib library are the way forward. Closes #2919297.

<div id="ajaxroot">
  <div class="ajaxHtmlHead">
    <script src="http://foo.js" type="text/javascript"> </script>
  </div>
  <h1>Hello</h1>
</div>