[FIX] forum: streamline what ajax returns for moderator actions also when not using tablesorter

git-svn-id: file:///var/local/code.tiki.org/tikisvn/trunk@53378 b456876b-0849-0410-b77d-98878d47e9d5
[FIX] forum: get rid of excess underlining

git-svn-id: file:///var/local/code.tiki.org/tikisvn/trunk@53379 b456876b-0849-0410-b77d-98878d47e9d5