Merge pull request #1744 from Fryguy/remove_prior

Remove prior now that #1740 has been backported down to najdorf

Author: bdunne

_data/site_menu.yml

@@ -39,7 +39,6 @@ appliances:
       desc: "How to backup and restore appliances"
     - title: Upgrading
       path: "/docs/reference/latest/appliances/upgrading.html"
-      prior: "/docs/reference/oparin/upgrading_appliances/index.html"
       desc: "How to upgrade appliances"
 
 configuration: