What do I need to delete?

[F2419u]

I'm pretty sure I downloaded my dbm from here:

http://forum.warmane.com/showthread.php?t=266126

But still, if I want to delete and install again do I need to delete just the dbm folders from interface > Addons or also from WTF > Account > My username > Frostmourne > Character name > Saved varaiables

Thanks.