Delete unnecessary artificial debug function argument debug info.
Delete unnecessary artificial debug function argument debug info.

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