Remove unused function from CallGraphEdge.
Remove unused function from CallGraphEdge.

Swift SVN r32591

JGiola/swift,danielmartin/swift,mightydeveloper/swift,bitjammer/swift,gribozavr/swift,stephentyrone/swift,mightydeveloper/swift,MukeshKumarS/Swift,codestergit/swift,djwbrown/swift,therealbnut/swift,sdulal/swift,glessard/swift,benlangmuir/swift,swiftix/swift.old,rudkx/swift,atrick/swift,MukeshKumarS/Swift,JGiola/swift,stephentyrone/swift,practicalswift/swift,parkera/swift,gribozavr/swift,jckarter/swift,swiftix/swift.old,natecook1000/swift,ken0nek/swift,emilstahl/swift,austinzheng/swift,hooman/swift,JGiola/swift,alblue/swift,shajrawi/swift,tkremenek/swift,apple/swift,Jnosh/swift,xedin/swift,therealbnut/swift,lorentey/swift,OscarSwanros/swift,dreamsxin/swift,codestergit/swift,zisko/swift,arvedviehweger/swift,gribozavr/swift,nathawes/swift,frootloops/swift,gottesmm/swift,devincoughlin/swift,shahmishal/swift,practicalswift/swift,emilstahl/swift,kperryua/swift,kusl/swift,nathawes/swift,LeoShimonaka/swift,KrishMunot/swift,ben-ng/swift,gottesmm/swift,swiftix/swift,tkremenek/swift,harlanhaskins/swift,djwbrown/swift,sschiau/swift,ben-ng/swift,Jnosh/swift,allevato/swift,huonw/swift,kusl/swift,devincoughlin/swift,apple/swift,calebd/swift,Ivacker/swift,tkremenek/swift,huonw/swift,karwa/swift,tkremenek/swift,benlangmuir/swift,OscarSwanros/swift,benlangmuir/swift,emilstahl/swift,gottesmm/swift,mightydeveloper/swift,allevato/swift,atrick/swift,codestergit/swift,lorentey/swift,modocache/swift,jtbandes/swift,practicalswift/swift,tinysun212/swift-windows,jopamer/swift,dduan/swift,danielmartin/swift,aschwaighofer/swift,sdulal/swift,aschwaighofer/swift,ben-ng/swift,manavgabhawala/swift,kstaring/swift,gregomni/swift,danielmartin/swift,arvedviehweger/swift,huonw/swift,IngmarStein/swift,bitjammer/swift,sdulal/swift,mightydeveloper/swift,allevato/swift,jopamer/swift,shahmishal/swift,CodaFi/swift,modocache/swift,jmgc/swift,kentya6/swift,adrfer/swift,frootloops/swift,MukeshKumarS/Swift,hooman/swift,sschiau/swift,SwiftAndroid/swift,karwa/swift,swiftix/swift.old,parkera/swift,OscarSwanros/swift,tkremenek/swift,gottesmm/swift,uasys/swift,djwbrown/swift,kentya6/swift,gribozavr/swift,karwa/swift,KrishMunot/swift,frootloops/swift,zisko/swift,airspeedswift/swift,cbrentharris/swift,emilstahl/swift,Jnosh/swift,brentdax/swift,johnno1962d/swift,tjw/swift,glessard/swift,karwa/swift,austinzheng/swift,deyton/swift,austinzheng/swift,tinysun212/swift-windows,cbrentharris/swift,Jnosh/swift,milseman/swift,xwu/swift,shajrawi/swift,calebd/swift,natecook1000/swift,brentdax/swift,shajrawi/swift,glessard/swift,ken0nek/swift,LeoShimonaka/swift,kusl/swift,xedin/swift,harlanhaskins/swift,devincoughlin/swift,gmilos/swift,gregomni/swift,JaSpa/swift,swiftix/swift,jtbandes/swift,milseman/swift,zisko/swift,Ivacker/swift,kentya6/swift,milseman/swift,xwu/swift,russbishop/swift,practicalswift/swift,arvedviehweger/swift,jckarter/swift,jmgc/swift,Ivacker/swift,hughbe/swift,Ivacker/swift,manavgabhawala/swift,atrick/swift,harlanhaskins/swift,felix91gr/swift,ahoppen/swift,Ivacker/swift,kusl/swift,danielmartin/swift,austinzheng/swift,swiftix/swift.old,nathawes/swift,xedin/swift,rudkx/swift,russbishop/swift,roambotics/swift,felix91gr/swift,harlanhaskins/swift,khizkhiz/swift,modocache/swift,dduan/swift,tjw/swift,ben-ng/swift,sdulal/swift,uasys/swift,modocache/swift,kperryua/swift,airspeedswift/swift,felix91gr/swift,apple/swift,lorentey/swift,ahoppen/swift,glessard/swift,CodaFi/swift,aschwaighofer/swift,bitjammer/swift,swiftix/swift,felix91gr/swift,sdulal/swift,benlangmuir/swift,jckarter/swift,hughbe/swift,kperryua/swift,manavgabhawala/swift,devincoughlin/swift,aschwaighofer/swift,tinysun212/swift-windows,emilstahl/swift,LeoShimonaka/swift,arvedviehweger/swift,MukeshKumarS/Swift,alblue/swift,khizkhiz/swift,atrick/swift,danielmartin/swift,johnno1962d/swift,practicalswift/swift,swiftix/swift,KrishMunot/swift,SwiftAndroid/swift,ahoppen/swift,JaSpa/swift,modocache/swift,kusl/swift,parkera/swift,jopamer/swift,IngmarStein/swift,KrishMunot/swift,milseman/swift,therealbnut/swift,hughbe/swift,uasys/swift,jmgc/swift,calebd/swift,sschiau/swift,calebd/swift,mightydeveloper/swift,amraboelela/swift,adrfer/swift,slavapestov/swift,tardieu/swift,kstaring/swift,sdulal/swift,tkremenek/swift,manavgabhawala/swift,xwu/swift,johnno1962d/swift,jopamer/swift,Jnosh/swift,alblue/swift,CodaFi/swift,ken0nek/swift,swiftix/swift.old,LeoShimonaka/swift,return/swift,CodaFi/swift,return/swift,modocache/swift,benlangmuir/swift,shahmishal/swift,shahmishal/swift,uasys/swift,hooman/swift,benlangmuir/swift,xedin/swift,mightydeveloper/swift,LeoShimonaka/swift,emilstahl/swift,gmilos/swift,therealbnut/swift,parkera/swift,gmilos/swift,devincoughlin/swift,allevato/swift,modocache/swift,MukeshKumarS/Swift,kperryua/swift,OscarSwanros/swift,MukeshKumarS/Swift,lorentey/swift,gottesmm/swift,alblue/swift,zisko/swift,karwa/swift,mightydeveloper/swift,kstaring/swift,dduan/swift,gregomni/swift,SwiftAndroid/swift,manavgabhawala/swift,jmgc/swift,Ivacker/swift,IngmarStein/swift,karwa/swift,dduan/swift,lorentey/swift,manavgabhawala/swift,kusl/swift,johnno1962d/swift,cbrentharris/swift,natecook1000/swift,Ivacker/swift,parkera/swift,djwbrown/swift,JaSpa/swift,lorentey/swift,tinysun212/swift-windows,IngmarStein/swift,codestergit/swift,hooman/swift,ben-ng/swift,kperryua/swift,jtbandes/swift,milseman/swift,cbrentharris/swift,gottesmm/swift,CodaFi/swift,OscarSwanros/swift,zisko/swift,shahmishal/swift,jckarter/swift,IngmarStein/swift,JaSpa/swift,IngmarStein/swift,tkremenek/swift,dduan/swift,kstaring/swift,shajrawi/swift,tardieu/swift,allevato/swift,calebd/swift,xedin/swift,hughbe/swift,tjw/swift,kusl/swift,roambotics/swift,khizkhiz/swift,swiftix/swift.old,shahmishal/swift,felix91gr/swift,therealbnut/swift,ken0nek/swift,brentdax/swift,brentdax/swift,airspeedswift/swift,khizkhiz/swift,stephentyrone/swift,calebd/swift,SwiftAndroid/swift,practicalswift/swift,JaSpa/swift,ken0nek/swift,frootloops/swift,frootloops/swift,dduan/swift,arvedviehweger/swift,mightydeveloper/swift,gmilos/swift,devincoughlin/swift,ken0nek/swift,xwu/swift,gmilos/swift,milseman/swift,alblue/swift,return/swift,austinzheng/swift,gribozavr/swift,return/swift,swiftix/swift,airspeedswift/swift,adrfer/swift,shajrawi/swift,russbishop/swift,nathawes/swift,frootloops/swift,jopamer/swift,cbrentharris/swift,roambotics/swift,harlanhaskins/swift,sdulal/swift,bitjammer/swift,shajrawi/swift,apple/swift,tjw/swift,JGiola/swift,djwbrown/swift,kperryua/swift,aschwaighofer/swift,jtbandes/swift,KrishMunot/swift,rudkx/swift,hughbe/swift,natecook1000/swift,adrfer/swift,xedin/swift,deyton/swift,shahmishal/swift,djwbrown/swift,amraboelela/swift,zisko/swift,emilstahl/swift,ahoppen/swift,kusl/swift,russbishop/swift,bitjammer/swift,sschiau/swift,parkera/swift,OscarSwanros/swift,adrfer/swift,return/swift,swiftix/swift.old,JGiola/swift,johnno1962d/swift,hooman/swift,huonw/swift,amraboelela/swift,apple/swift,parkera/swift,stephentyrone/swift,kstaring/swift,amraboelela/swift,danielmartin/swift,tardieu/swift,gottesmm/swift,huonw/swift,emilstahl/swift,xwu/swift,nathawes/swift,huonw/swift,airspeedswift/swift,sschiau/swift,lorentey/swift,glessard/swift,jopamer/swift,deyton/swift,russbishop/swift,shajrawi/swift,tardieu/swift,hooman/swift,cbrentharris/swift,johnno1962d/swift,jckarter/swift,alblue/swift,sdulal/swift,kperryua/swift,khizkhiz/swift,ben-ng/swift,ben-ng/swift,brentdax/swift,manavgabhawala/swift,calebd/swift,huonw/swift,gribozavr/swift,deyton/swift,airspeedswift/swift,kstaring/swift,slavapestov/swift,JGiola/swift,stephentyrone/swift,felix91gr/swift,gregomni/swift,atrick/swift,practicalswift/swift,allevato/swift,nathawes/swift,jckarter/swift,kentya6/swift,rudkx/swift,IngmarStein/swift,uasys/swift,gribozavr/swift,brentdax/swift,aschwaighofer/swift,practicalswift/swift,kstaring/swift,jtbandes/swift,KrishMunot/swift,stephentyrone/swift,ken0nek/swift,uasys/swift,KrishMunot/swift,khizkhiz/swift,slavapestov/swift,atrick/swift,rudkx/swift,aschwaighofer/swift,tinysun212/swift-windows,natecook1000/swift,OscarSwanros/swift,austinzheng/swift,Jnosh/swift,sschiau/swift,allevato/swift,therealbnut/swift,parkera/swift,xwu/swift,jmgc/swift,hooman/swift,karwa/swift,gmilos/swift,return/swift,brentdax/swift,gregomni/swift,amraboelela/swift,frootloops/swift,kentya6/swift,lorentey/swift,karwa/swift,jmgc/swift,return/swift,devincoughlin/swift,danielmartin/swift,cbrentharris/swift,amraboelela/swift,glessard/swift,bitjammer/swift,zisko/swift,russbishop/swift,dreamsxin/swift,harlanhaskins/swift,roambotics/swift,cbrentharris/swift,airspeedswift/swift,russbishop/swift,adrfer/swift,tjw/swift,slavapestov/swift,deyton/swift,austinzheng/swift,kentya6/swift,SwiftAndroid/swift,LeoShimonaka/swift,stephentyrone/swift,sschiau/swift,deyton/swift,tinysun212/swift-windows,Jnosh/swift,roambotics/swift,gregomni/swift,LeoShimonaka/swift,tardieu/swift,swiftix/swift,tardieu/swift,CodaFi/swift,codestergit/swift,deyton/swift,slavapestov/swift,tinysun212/swift-windows,tardieu/swift,codestergit/swift,apple/swift,kentya6/swift,xwu/swift,SwiftAndroid/swift,jtbandes/swift,gmilos/swift,arvedviehweger/swift,Ivacker/swift,JaSpa/swift,SwiftAndroid/swift,hughbe/swift,tjw/swift,natecook1000/swift,devincoughlin/swift,MukeshKumarS/Swift,codestergit/swift,swiftix/swift.old,JaSpa/swift,amraboelela/swift,slavapestov/swift,xedin/swift,LeoShimonaka/swift,milseman/swift,bitjammer/swift,jmgc/swift,therealbnut/swift,jckarter/swift,johnno1962d/swift,alblue/swift,hughbe/swift,khizkhiz/swift,ahoppen/swift,djwbrown/swift,sschiau/swift,jopamer/swift,rudkx/swift,nathawes/swift,uasys/swift,roambotics/swift,jtbandes/swift,dduan/swift,gribozavr/swift,slavapestov/swift,CodaFi/swift,swiftix/swift,ahoppen/swift,shajrawi/swift,natecook1000/swift,felix91gr/swift,xedin/swift,kentya6/swift,adrfer/swift,harlanhaskins/swift,tjw/swift,arvedviehweger/swift,shahmishal/swift