SILGen: Remove unused variable
SILGen: Remove unused variable

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