[ASTPrinter] Remove unnecessary condition
[ASTPrinter] Remove unnecessary condition

JGiola/swift,gregomni/swift,apple/swift,glessard/swift,ahoppen/swift,ahoppen/swift,gregomni/swift,roambotics/swift,atrick/swift,benlangmuir/swift,gregomni/swift,atrick/swift,ahoppen/swift,JGiola/swift,roambotics/swift,rudkx/swift,gregomni/swift,JGiola/swift,ahoppen/swift,apple/swift,apple/swift,roambotics/swift,rudkx/swift,benlangmuir/swift,gregomni/swift,benlangmuir/swift,roambotics/swift,atrick/swift,rudkx/swift,ahoppen/swift,atrick/swift,atrick/swift,JGiola/swift,gregomni/swift,roambotics/swift,atrick/swift,apple/swift,benlangmuir/swift,glessard/swift,apple/swift,rudkx/swift,JGiola/swift,ahoppen/swift,rudkx/swift,apple/swift,rudkx/swift,glessard/swift,benlangmuir/swift,glessard/swift,JGiola/swift,roambotics/swift,glessard/swift,glessard/swift,benlangmuir/swift