ALLEN PARK, Mich. — If you ask his position coach, Detroit Lions wide receiver Amon-Ra St. Brown does not need any extra motivation to be at his best. But he got it anyway with the reveal of Wednesday night’s Pro Bowl rosters, which didn’t include him. He was listed as a first alternate after making the first Pro Bowl of his career as an alternate last season. “Yeah, I was hot. The receivers that got picked are all great players, but I was hot,” St. Brown told reporters Thursday. “I was pissed.” St. Brown still has the potential to go as an alternate, given that each of the four players picked…