That would stink if I deleted the wrong thing. I do not want to remove any data. I just want my computer to recognize drive J: as the only one to boot from. I almost rushed in and deleted. But, I figured better take it slower and posted that info here.
So, here is the 'snip'. Do I make drive J the current OS then delete drive C:?
(I once learned the hard way. Doing something wrong in system config/system files can be a real bummer).