KANSAS CITY — North Carolina’s season came to an end on Sunday night with a 70-58 loss against Kansas in the NCAA tournament. So now the question that surrounds the Tar Heels is an obvious one: Who stays and who goes? Dexter Strickland, UNC’s senior guard, has played his last game for UNC. Can the same be said for Reggie Bullock, P.J. Hairston and James Michael McAdoo?