Yes, there is a way to do that. Search the FAQ and past messages for info about adding fields.. I think the same would apply for getting rid of fields.
I don't know how to do it without the specific directions in front of me. Maybe someone more knowledgable will come across your message soon, but you may be able to find the info you need before then.
I don't know how to do it without the specific directions in front of me. Maybe someone more knowledgable will come across your message soon, but you may be able to find the info you need before then.