There is a couple posts here regarding the ToB install and Baldurdash uninstalls. Actually I believe Baldurdash's website even states how to go about it.
Baldurdash homepage. There should be something there.
But, simply speaking, it might be easier to just copy your saved game, uninstall SoA, and reinstall everything.
just my 2 cents!
Good luck!
------------------
Sagath Steelblade. 26th Fighter, LG
Gilimi Silverwing, 27th Monk, LG
Jan: Greetings, Everyone. Sorry, no gifts or souvenirs this time but I'll keep you all in mind the next time I'm gone. Oh, Keldorn: the gods say 'Hi' and that you should wash your underwear more thoroughly. Everyone ready? Let's go adventuring.