Removed ajs_aid parameters (#824)

Signed-off-by: Tom Slanda <jesus_slanda@yahoo.com>

Author: slandath

_layouts/default.html

@@ -132,8 +132,8 @@
                             <p>San Diego, California</p>
                         </div>
                         <div class="con-buttons">
-                          <a class="con-button" role="button" href="https://events.linuxfoundation.org/jupytercon/register/?ajs_aid=a3a6fcc4-957d-4870-8826-daca933856ce/" target="_blank">Register</a>
-                          <a class="con-button" role="button" href="https://events.linuxfoundation.org/jupytercon/program/schedule/?ajs_aid=a3a6fcc4-957d-4870-8826-daca933856ce" target="_blank">View Schedule</a>
+                          <a class="con-button" role="button" href="https://events.linuxfoundation.org/jupytercon/register/" target="_blank">Register</a>
+                          <a class="con-button" role="button" href="https://events.linuxfoundation.org/jupytercon/program/schedule/" target="_blank">View Schedule</a>
                         </div>
                     </div>
                 </div>