Sema: Remove dead code for 'archetype method references' from throws checking
Sema: Remove dead code for 'archetype method references' from throws checking

Protocol method references are now modeled consistently with
concrete method references... as of almost 3 years ago:
7319a97ab4bf27bfcd50ee018cf8e537bc5200ce

jopamer/swift,huonw/swift,atrick/swift,jmgc/swift,shahmishal/swift,amraboelela/swift,rudkx/swift,gribozavr/swift,natecook1000/swift,alblue/swift,nathawes/swift,nathawes/swift,rudkx/swift,gribozavr/swift,austinzheng/swift,brentdax/swift,jmgc/swift,gregomni/swift,stephentyrone/swift,huonw/swift,natecook1000/swift,natecook1000/swift,aschwaighofer/swift,allevato/swift,amraboelela/swift,xedin/swift,devincoughlin/swift,jckarter/swift,devincoughlin/swift,harlanhaskins/swift,aschwaighofer/swift,hooman/swift,gribozavr/swift,roambotics/swift,jckarter/swift,parkera/swift,shahmishal/swift,parkera/swift,allevato/swift,roambotics/swift,stephentyrone/swift,austinzheng/swift,shajrawi/swift,glessard/swift,aschwaighofer/swift,lorentey/swift,harlanhaskins/swift,karwa/swift,karwa/swift,parkera/swift,jckarter/swift,lorentey/swift,danielmartin/swift,brentdax/swift,sschiau/swift,parkera/swift,jopamer/swift,devincoughlin/swift,shahmishal/swift,atrick/swift,rudkx/swift,atrick/swift,jckarter/swift,glessard/swift,karwa/swift,CodaFi/swift,xedin/swift,shajrawi/swift,amraboelela/swift,karwa/swift,gribozavr/swift,sschiau/swift,xwu/swift,jopamer/swift,xwu/swift,danielmartin/swift,hooman/swift,hooman/swift,rudkx/swift,shajrawi/swift,devincoughlin/swift,lorentey/swift,lorentey/swift,austinzheng/swift,xedin/swift,tkremenek/swift,gribozavr/swift,harlanhaskins/swift,airspeedswift/swift,apple/swift,tkremenek/swift,devincoughlin/swift,huonw/swift,danielmartin/swift,shajrawi/swift,nathawes/swift,natecook1000/swift,benlangmuir/swift,gregomni/swift,alblue/swift,apple/swift,ahoppen/swift,natecook1000/swift,harlanhaskins/swift,devincoughlin/swift,parkera/swift,alblue/swift,hooman/swift,alblue/swift,sschiau/swift,glessard/swift,jmgc/swift,jmgc/swift,austinzheng/swift,sschiau/swift,jmgc/swift,xedin/swift,jopamer/swift,austinzheng/swift,tkremenek/swift,aschwaighofer/swift,JGiola/swift,jckarter/swift,aschwaighofer/swift,JGiola/swift,practicalswift/swift,tkremenek/swift,huonw/swift,nathawes/swift,glessard/swift,xwu/swift,alblue/swift,ahoppen/swift,shahmishal/swift,gregomni/swift,shajrawi/swift,practicalswift/swift,JGiola/swift,amraboelela/swift,parkera/swift,airspeedswift/swift,danielmartin/swift,austinzheng/swift,sschiau/swift,xedin/swift,brentdax/swift,roambotics/swift,CodaFi/swift,hooman/swift,karwa/swift,atrick/swift,stephentyrone/swift,glessard/swift,shajrawi/swift,practicalswift/swift,benlangmuir/swift,brentdax/swift,atrick/swift,allevato/swift,xedin/swift,shahmishal/swift,xedin/swift,xedin/swift,CodaFi/swift,CodaFi/swift,karwa/swift,tkremenek/swift,stephentyrone/swift,danielmartin/swift,hooman/swift,gregomni/swift,xwu/swift,jopamer/swift,stephentyrone/swift,shahmishal/swift,huonw/swift,glessard/swift,jckarter/swift,gribozavr/swift,nathawes/swift,gribozavr/swift,tkremenek/swift,airspeedswift/swift,practicalswift/swift,JGiola/swift,CodaFi/swift,gregomni/swift,allevato/swift,jmgc/swift,aschwaighofer/swift,gribozavr/swift,amraboelela/swift,ahoppen/swift,benlangmuir/swift,allevato/swift,tkremenek/swift,lorentey/swift,parkera/swift,stephentyrone/swift,roambotics/swift,benlangmuir/swift,apple/swift,huonw/swift,harlanhaskins/swift,huonw/swift,karwa/swift,amraboelela/swift,CodaFi/swift,nathawes/swift,stephentyrone/swift,rudkx/swift,aschwaighofer/swift,natecook1000/swift,jopamer/swift,shahmishal/swift,sschiau/swift,ahoppen/swift,practicalswift/swift,airspeedswift/swift,benlangmuir/swift,JGiola/swift,devincoughlin/swift,JGiola/swift,alblue/swift,roambotics/swift,sschiau/swift,shahmishal/swift,CodaFi/swift,xwu/swift,harlanhaskins/swift,brentdax/swift,brentdax/swift,austinzheng/swift,jopamer/swift,parkera/swift,nathawes/swift,jmgc/swift,danielmartin/swift,apple/swift,shajrawi/swift,harlanhaskins/swift,brentdax/swift,rudkx/swift,xwu/swift,alblue/swift,ahoppen/swift,gregomni/swift,practicalswift/swift,airspeedswift/swift,amraboelela/swift,xwu/swift,apple/swift,lorentey/swift,devincoughlin/swift,ahoppen/swift,shajrawi/swift,apple/swift,benlangmuir/swift,lorentey/swift,airspeedswift/swift,atrick/swift,airspeedswift/swift,danielmartin/swift,natecook1000/swift,sschiau/swift,roambotics/swift,practicalswift/swift,lorentey/swift,allevato/swift,practicalswift/swift,jckarter/swift,allevato/swift,karwa/swift,hooman/swift