Remove an unused member field in the SILLinkerVisitor.
Remove an unused member field in the SILLinkerVisitor.

NFC

roambotics/swift,benlangmuir/swift,xwu/swift,harlanhaskins/swift,gribozavr/swift,aschwaighofer/swift,nathawes/swift,benlangmuir/swift,jmgc/swift,allevato/swift,airspeedswift/swift,glessard/swift,harlanhaskins/swift,jckarter/swift,airspeedswift/swift,lorentey/swift,CodaFi/swift,airspeedswift/swift,CodaFi/swift,parkera/swift,rudkx/swift,JGiola/swift,JGiola/swift,hooman/swift,xwu/swift,apple/swift,harlanhaskins/swift,jmgc/swift,aschwaighofer/swift,allevato/swift,allevato/swift,parkera/swift,karwa/swift,harlanhaskins/swift,stephentyrone/swift,parkera/swift,nathawes/swift,CodaFi/swift,xwu/swift,tkremenek/swift,atrick/swift,parkera/swift,gribozavr/swift,stephentyrone/swift,hooman/swift,tkremenek/swift,gribozavr/swift,rudkx/swift,roambotics/swift,karwa/swift,gregomni/swift,hooman/swift,benlangmuir/swift,hooman/swift,ahoppen/swift,lorentey/swift,gribozavr/swift,karwa/swift,karwa/swift,lorentey/swift,gribozavr/swift,xwu/swift,nathawes/swift,aschwaighofer/swift,hooman/swift,CodaFi/swift,harlanhaskins/swift,rudkx/swift,atrick/swift,jmgc/swift,xwu/swift,atrick/swift,JGiola/swift,glessard/swift,JGiola/swift,karwa/swift,benlangmuir/swift,jckarter/swift,allevato/swift,jckarter/swift,apple/swift,CodaFi/swift,glessard/swift,gribozavr/swift,roambotics/swift,lorentey/swift,lorentey/swift,benlangmuir/swift,hooman/swift,JGiola/swift,rudkx/swift,roambotics/swift,stephentyrone/swift,ahoppen/swift,xwu/swift,stephentyrone/swift,aschwaighofer/swift,gregomni/swift,ahoppen/swift,nathawes/swift,airspeedswift/swift,gribozavr/swift,parkera/swift,roambotics/swift,ahoppen/swift,stephentyrone/swift,glessard/swift,parkera/swift,stephentyrone/swift,apple/swift,jmgc/swift,gregomni/swift,harlanhaskins/swift,ahoppen/swift,jmgc/swift,jckarter/swift,roambotics/swift,ahoppen/swift,nathawes/swift,JGiola/swift,glessard/swift,parkera/swift,aschwaighofer/swift,lorentey/swift,harlanhaskins/swift,karwa/swift,rudkx/swift,apple/swift,tkremenek/swift,benlangmuir/swift,parkera/swift,aschwaighofer/swift,aschwaighofer/swift,allevato/swift,tkremenek/swift,lorentey/swift,tkremenek/swift,stephentyrone/swift,apple/swift,CodaFi/swift,gregomni/swift,atrick/swift,allevato/swift,tkremenek/swift,gregomni/swift,airspeedswift/swift,gregomni/swift,jckarter/swift,CodaFi/swift,nathawes/swift,xwu/swift,jckarter/swift,nathawes/swift,karwa/swift,karwa/swift,airspeedswift/swift,jmgc/swift,jmgc/swift,gribozavr/swift,tkremenek/swift,apple/swift,atrick/swift,rudkx/swift,atrick/swift,glessard/swift,lorentey/swift,allevato/swift,airspeedswift/swift,hooman/swift,jckarter/swift