The Steelers took one look at the official schedule released Wednesday night and probably winced. There’s nothing anyone can do but play the games each week. But it’s going to be difficult. In fact, a writer for NFL.com ranked the Steelers’ schedule as the toughest in the NFL. Of course, this is as of mid-May. All sorts of issues can cut the collective legs off a team. For example, no one figured last year’s Bengals wouldn’t make the playoffs. But then Joe Burrow got hurt. Twice. Gennaro Filice, a deputy editor of NFL.com, ranked the Pittsburgh schedule as the most difficult, ahead of other te…