Darius Miller had every reason to be upset. Ticked off. Downright mad. The Kentucky senior guard with true bluegrass pedigree was heading to the bench, replaced by a kid who just turned 18. Miller’s reaction? Nothing. Not a public peep. If Miller has an ego, it can’t compete with his drive to win it all with the Wildcats. He might just pull the true Kentucky trifecta in the process — Mr. Basketball for the state…