remove settings.dashboardOrigin

src/settings.js

@@ -6,8 +6,6 @@ exports = module.exports = {
     // these values come from the cache
     dashboardDomain,
     setDashboardLocation,
-
-    dashboardOrigin,
     dashboardFqdn,
 
     get,
@@ -161,4 +159,3 @@ async function setDashboardLocation(dashboardDomain, dashboardFqdn) {
 
 function dashboardDomain() { return gCache.dashboardDomain; }
 function dashboardFqdn() { return gCache.dashboardFqdn; }
-function dashboardOrigin() { return 'https://' + dashboardFqdn(); }