Fix #3842: Mods can demote other mods or admins.

app/helpers/application_helper.rb

@@ -150,7 +150,7 @@ module ApplicationHelper
       html << " [" + link_to("+", new_user_feedback_path(:user_feedback => {:category => "positive", :user_id => user.id})) + "]"
 
       unless user.is_gold?
-        html << " [" + link_to("invite", new_moderator_invitation_path(:invitation => {:name => user.name, :can_upload_free => "1"})) + "]"
+        html << " [" + link_to("promote", edit_admin_user_path(user)) + "]"
       end
     else
       html << " [" + link_to("&ndash;".html_safe, new_user_feedback_path(:user_feedback => {:category => "negative", :user_id => user.id})) + "]"

app/helpers/moderator/invitations_helper.rb

@@ -1,10 +0,0 @@
-module Moderator
-  module InvitationsHelper
-    def level_select
-      choices = []
-      choices << ["Gold", User::Levels::GOLD]
-      choices << ["Platinum", User::Levels::PLATINUM]
-      select(:invitation, :level, choices)
-    end
-  end
-end