Don’t let the door hit you on the way out, BYU. Air Force exacted revenge on BYU after years of frustration against their Mountain West Conference rival, rolling up 409 rushing yards in a 35-14 home win. It was the Falcons’ first win against BYU since 2003. Not only did the victory get the monkey off the back for Air Force, it surely also brought a smile to the faces of administrators and coaches around the entire MWC. You see, this is the Cougars’ last season in the Mountain West, thanks to their decision to go independent in an attempt…