be consistent with messages and admin links as both are in the nav bar and the user menu

view/theme/vier/mobile.css

@@ -1,4 +1,4 @@
-aside, header, #nav-search-box, #nav-messages-linkmenu,  #activitiy-by-date-tab, #shared-links-tab,
+aside, header, #nav-search-box, #nav-admin-link, #nav-messages-linkmenu,  #activitiy-by-date-tab, #shared-links-tab,
 .wall-item-location {
   display: none;
 }