DETROIT — The Detroit Lions did what they needed to do, washing away the stink of last week’s controversial loss to the Dallas Cowboys and resetting the vibe by rolling into the postseason with a season-ending 30-20 victory over the Minnesota Vikings at Ford Field on Sunday. But matching the franchise’s most wins in a season came with a potential cost as record-setting tight end Sam LaPorta and return man Kalif Raymond both exited the contest with knee injuries. Despite the Lions leading from start to finish, the outcome wasn’t certain until late in the fourth quarter. After both sides punted …