By Milo Taibi Concern in the San Francisco 49ers world had been palpable for Christian McCaffrey after he suffered a calf contusion in the divisional round. Both Kyle Shanahan and McCaffrey indicated this week that he’d be able to play against the Philadelphia Eagles, but the team just made the news official. McCaffrey is active, and it appears he’ll have a healthy workload with running back Elijah Mitchell being inactive. As fans were quick to point out in the tweet’s replies, Mitchell’s absence clears a path for both McCaffrey and Deebo Samuel to have standout rushing games. Though McCaffrey…