[GSB] Eliminate unnecessary walk over the associated types.
[GSB] Eliminate unnecessary walk over the associated types.

We lazily resolve all of this information about nested potential archetypes
anyway; there's no need to do it eagerly.

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