Remove disabled SourceKit/InterfaceGen/gen_objc.swift test
Remove disabled SourceKit/InterfaceGen/gen_objc.swift test

It still fails and has been disabled ever since it was added.
rdar://problem/26484753

rudkx/swift,frootloops/swift,shahmishal/swift,benlangmuir/swift,gribozavr/swift,tinysun212/swift-windows,bitjammer/swift,Jnosh/swift,alblue/swift,felix91gr/swift,xedin/swift,jopamer/swift,danielmartin/swift,xedin/swift,austinzheng/swift,milseman/swift,calebd/swift,manavgabhawala/swift,jmgc/swift,gribozavr/swift,sschiau/swift,swiftix/swift,jckarter/swift,tjw/swift,shajrawi/swift,zisko/swift,rudkx/swift,huonw/swift,allevato/swift,tjw/swift,shahmishal/swift,djwbrown/swift,jopamer/swift,amraboelela/swift,shahmishal/swift,atrick/swift,shajrawi/swift,brentdax/swift,lorentey/swift,JGiola/swift,tardieu/swift,Jnosh/swift,djwbrown/swift,amraboelela/swift,hughbe/swift,return/swift,tjw/swift,calebd/swift,tinysun212/swift-windows,atrick/swift,apple/swift,bitjammer/swift,benlangmuir/swift,aschwaighofer/swift,lorentey/swift,swiftix/swift,bitjammer/swift,frootloops/swift,lorentey/swift,danielmartin/swift,JGiola/swift,amraboelela/swift,shahmishal/swift,djwbrown/swift,sschiau/swift,OscarSwanros/swift,gregomni/swift,huonw/swift,harlanhaskins/swift,manavgabhawala/swift,tkremenek/swift,airspeedswift/swift,jmgc/swift,swiftix/swift,bitjammer/swift,devincoughlin/swift,xwu/swift,sschiau/swift,jtbandes/swift,danielmartin/swift,uasys/swift,zisko/swift,karwa/swift,gregomni/swift,frootloops/swift,xedin/swift,austinzheng/swift,roambotics/swift,jmgc/swift,ahoppen/swift,deyton/swift,jopamer/swift,airspeedswift/swift,CodaFi/swift,atrick/swift,CodaFi/swift,codestergit/swift,tkremenek/swift,rudkx/swift,hughbe/swift,nathawes/swift,felix91gr/swift,jckarter/swift,devincoughlin/swift,natecook1000/swift,jmgc/swift,harlanhaskins/swift,tardieu/swift,gribozavr/swift,Jnosh/swift,devincoughlin/swift,jckarter/swift,codestergit/swift,Jnosh/swift,stephentyrone/swift,gregomni/swift,jopamer/swift,allevato/swift,devincoughlin/swift,milseman/swift,OscarSwanros/swift,airspeedswift/swift,glessard/swift,atrick/swift,hooman/swift,lorentey/swift,sschiau/swift,amraboelela/swift,djwbrown/swift,allevato/swift,JGiola/swift,karwa/swift,frootloops/swift,practicalswift/swift,codestergit/swift,uasys/swift,frootloops/swift,return/swift,shahmishal/swift,xedin/swift,harlanhaskins/swift,roambotics/swift,hooman/swift,felix91gr/swift,deyton/swift,austinzheng/swift,jckarter/swift,deyton/swift,stephentyrone/swift,jckarter/swift,aschwaighofer/swift,JGiola/swift,alblue/swift,devincoughlin/swift,sschiau/swift,parkera/swift,roambotics/swift,parkera/swift,rudkx/swift,bitjammer/swift,felix91gr/swift,xwu/swift,alblue/swift,CodaFi/swift,parkera/swift,djwbrown/swift,aschwaighofer/swift,manavgabhawala/swift,swiftix/swift,natecook1000/swift,arvedviehweger/swift,parkera/swift,glessard/swift,OscarSwanros/swift,felix91gr/swift,hughbe/swift,aschwaighofer/swift,codestergit/swift,uasys/swift,benlangmuir/swift,codestergit/swift,codestergit/swift,jopamer/swift,milseman/swift,xedin/swift,tinysun212/swift-windows,swiftix/swift,tinysun212/swift-windows,xedin/swift,austinzheng/swift,xwu/swift,tardieu/swift,austinzheng/swift,gregomni/swift,benlangmuir/swift,parkera/swift,gribozavr/swift,return/swift,natecook1000/swift,karwa/swift,parkera/swift,tjw/swift,karwa/swift,tkremenek/swift,practicalswift/swift,deyton/swift,arvedviehweger/swift,sschiau/swift,return/swift,tardieu/swift,stephentyrone/swift,djwbrown/swift,apple/swift,huonw/swift,JGiola/swift,calebd/swift,tinysun212/swift-windows,jtbandes/swift,lorentey/swift,JGiola/swift,stephentyrone/swift,gregomni/swift,milseman/swift,huonw/swift,sschiau/swift,danielmartin/swift,rudkx/swift,milseman/swift,hooman/swift,ahoppen/swift,zisko/swift,xwu/swift,frootloops/swift,danielmartin/swift,nathawes/swift,deyton/swift,tjw/swift,frootloops/swift,OscarSwanros/swift,roambotics/swift,atrick/swift,allevato/swift,ahoppen/swift,calebd/swift,brentdax/swift,airspeedswift/swift,manavgabhawala/swift,arvedviehweger/swift,alblue/swift,shahmishal/swift,practicalswift/swift,return/swift,shajrawi/swift,jckarter/swift,djwbrown/swift,harlanhaskins/swift,allevato/swift,arvedviehweger/swift,danielmartin/swift,gribozavr/swift,alblue/swift,brentdax/swift,jtbandes/swift,OscarSwanros/swift,manavgabhawala/swift,practicalswift/swift,zisko/swift,parkera/swift,felix91gr/swift,ahoppen/swift,jmgc/swift,apple/swift,airspeedswift/swift,airspeedswift/swift,xedin/swift,apple/swift,arvedviehweger/swift,harlanhaskins/swift,xwu/swift,aschwaighofer/swift,roambotics/swift,tardieu/swift,jckarter/swift,glessard/swift,codestergit/swift,brentdax/swift,deyton/swift,milseman/swift,stephentyrone/swift,amraboelela/swift,hooman/swift,jtbandes/swift,CodaFi/swift,airspeedswift/swift,practicalswift/swift,tjw/swift,alblue/swift,felix91gr/swift,aschwaighofer/swift,Jnosh/swift,tkremenek/swift,shajrawi/swift,arvedviehweger/swift,natecook1000/swift,hughbe/swift,nathawes/swift,devincoughlin/swift,CodaFi/swift,karwa/swift,roambotics/swift,alblue/swift,practicalswift/swift,shajrawi/swift,jmgc/swift,hughbe/swift,hughbe/swift,apple/swift,apple/swift,natecook1000/swift,ahoppen/swift,hooman/swift,shajrawi/swift,Jnosh/swift,CodaFi/swift,manavgabhawala/swift,jopamer/swift,calebd/swift,CodaFi/swift,shajrawi/swift,danielmartin/swift,huonw/swift,devincoughlin/swift,huonw/swift,natecook1000/swift,brentdax/swift,natecook1000/swift,brentdax/swift,arvedviehweger/swift,lorentey/swift,devincoughlin/swift,karwa/swift,zisko/swift,uasys/swift,lorentey/swift,jtbandes/swift,nathawes/swift,zisko/swift,amraboelela/swift,glessard/swift,OscarSwanros/swift,parkera/swift,karwa/swift,uasys/swift,atrick/swift,tkremenek/swift,harlanhaskins/swift,uasys/swift,uasys/swift,jmgc/swift,manavgabhawala/swift,shajrawi/swift,xwu/swift,calebd/swift,bitjammer/swift,nathawes/swift,jtbandes/swift,tardieu/swift,tjw/swift,OscarSwanros/swift,hughbe/swift,hooman/swift,xedin/swift,tkremenek/swift,practicalswift/swift,bitjammer/swift,nathawes/swift,gregomni/swift,benlangmuir/swift,return/swift,aschwaighofer/swift,brentdax/swift,shahmishal/swift,gribozavr/swift,milseman/swift,sschiau/swift,tardieu/swift,austinzheng/swift,allevato/swift,tkremenek/swift,benlangmuir/swift,Jnosh/swift,glessard/swift,rudkx/swift,deyton/swift,swiftix/swift,austinzheng/swift,amraboelela/swift,ahoppen/swift,swiftix/swift,hooman/swift,huonw/swift,stephentyrone/swift,lorentey/swift,jopamer/swift,glessard/swift,return/swift,calebd/swift,xwu/swift,practicalswift/swift,tinysun212/swift-windows,allevato/swift,shahmishal/swift,jtbandes/swift,harlanhaskins/swift,tinysun212/swift-windows,nathawes/swift,zisko/swift,stephentyrone/swift,gribozavr/swift,gribozavr/swift,karwa/swift