[CMake] Remove installation of the 'swift-update' symlink.
[CMake] Remove installation of the 'swift-update' symlink.

Swift SVN r27116

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