hide OKD footer after 3 seconds

Author: aireilly

_templates/_page_openshift.html.erb

@@ -842,7 +842,7 @@
   <!-- hide footer after 3 seconds -->
   <script type="text/javascript">
     const hideFooter = () => {
-      document.querySelector('footer#rh').style.display = "none";
+      document.querySelector('footer#rh, footer.footer-origin-docs').style.display = "none";
     };
 
     window.addEventListener('load', function() {