COLUMBUS — Ohio State freshman safety Jaylen McClain, an early standout during the first few days of training camp, shed his black stripe after Buckeyes practice on Wednesday. That stripe removal signals that he’s officially a member of the football program and has been wowing coaches in practice. McClain had already impressed in bursts during spring ball back in March and April. But he carried that into the offseason that was filled with workouts and now has continued to be a factor early in training camp. Lettermen Row even noted McClain in each of our ‘observation notebooks’ when we were pe…