groups, list users invited with ability to remove their invitation, @lefnire i used group.invites from Group Schema which was already defined but not used by anything, fix #1523

public/js/controllers/groupsCtrl.js

@@ -192,7 +192,6 @@ habitrpg.controller("GroupsCtrl", ['$scope', '$rootScope', 'Groups', '$http', 'A
         var group = new Groups.Group({_id: party.id, name: party.name});
         // there a better way to access GroupsCtrl.groups.party?
         group.$join(function(){
-          User.user.invitations.party = undefined;
           location.reload();
         });
       }