Zap some dead code.
Zap some dead code.

Swift SVN r18346

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