I want to clear out some unused files. First off, the templates. I've removed 'new' and 'simple' from the templates folder. Left are admin, brewt, common, default, nessa, netscape. I only want to use the nessa template set, so what else can I delete in this dir? I know I can delete brewt, but which of the others are required/disposable?

Also, in data/users/ there are a number of domains I no longer use (they've been removed from gmail and no users exist with these domains). But the directories for the domains are still there. Can these be deleted, and whatever contents there may be, without any ill effects?

Jason