Deduplicate jupytercon header on front page

Author: jasongrout

index.html

@@ -246,25 +246,6 @@
 ---
 
 <header>
-      <div class="jumbotron con-jumbotron">
-        <div class="row">
-            <div class="col-md-12" style='padding:0'>
-                <div class="con-container img-responsive">
-                    <div class="col-lg-8 con-content md-offset-2">
-                        <a href="https://events.linuxfoundation.org/jupytercon/"><img class="con-title img-responsive" src="assets/JupyterCon-Logo-white.svg" alt="The JupyterCon Logo" /></a>
-                        <div class="con-date">November 04-05, 2025</div>
-                        <div class="con-program">
-                            <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>
-                        </div>
-                    </div>
-                </div>
-            </div>
-        </div>
-    </div>
     <div class="jumbotron">
       <div class="col-md-12">
           {% for img in page.jumbotron.images %}