SIL: Simplify SILCloner::remapRootOpenedType()
SIL: Simplify SILCloner::remapRootOpenedType()

apple/swift,roambotics/swift,apple/swift,roambotics/swift,benlangmuir/swift,apple/swift,benlangmuir/swift,benlangmuir/swift,glessard/swift,glessard/swift,glessard/swift,apple/swift,benlangmuir/swift,benlangmuir/swift,roambotics/swift,benlangmuir/swift,roambotics/swift,glessard/swift,apple/swift,roambotics/swift,glessard/swift,glessard/swift,roambotics/swift,apple/swift