other than an easy way to find all of your friends at once?
you just remove them by... clicking on the remove link. I know it's hard to do.
From your lining of questions, I'm guessing you don't know where this friend page is; look at the blue bar at the top, see 'Notes' in the letter icon? the double arrow next to it is 'Friends'.
Johnny - perhaps giving Friends its own icon along all the other icons is a good idea?