Removes automatic unset_volunteering
Removes automatic unset_volunteering

Because AnthroCon doesn't let people select their own departments, the
confirmation forms never passed through the attendee.staffing variable.
This hides the check for .staffing behind COLLECT_INTERESTS, so uber
stops automatically resetting the badge type to Attendee.

magfest/ubersystem,magfest/ubersystem,RAMSProject/rams,RAMSProject/rams,md1024/rams,migetman9/ubersystem,magfest/ubersystem,migetman9/ubersystem,migetman9/ubersystem,magfest/ubersystem,md1024/rams,md1024/rams,RAMSProject/rams