Nancy Cruzan's feeding tube was removed, or did I misunderstand your post?Yes, I believe it was removed in December of 1990, even though Missouri law prohibits it. As far as I know it's still against the law to take them out.
Missouri law pretty much mirrors Florida law. Ms. Cruzan's feeding tube was removed after further testimony satisfied the "clear and convincing" requirement establishing that she would not have wanted to be sustained artificially.