Sema: Don't track captures of TypeDecls
Sema: Don't track captures of TypeDecls

This was the only case where getDeclCaptureKind() would return
CaptureKind::None, and we can simplify some code by not handling
that case.

lorentey/swift,jckarter/swift,tkremenek/swift,tkremenek/swift,parkera/swift,lorentey/swift,shahmishal/swift,gregomni/swift,jmgc/swift,lorentey/swift,ahoppen/swift,devincoughlin/swift,jmgc/swift,parkera/swift,xwu/swift,rudkx/swift,tkremenek/swift,jckarter/swift,shahmishal/swift,apple/swift,apple/swift,hooman/swift,gregomni/swift,JGiola/swift,xwu/swift,CodaFi/swift,glessard/swift,nathawes/swift,harlanhaskins/swift,karwa/swift,gregomni/swift,hooman/swift,jckarter/swift,allevato/swift,atrick/swift,shahmishal/swift,jmgc/swift,parkera/swift,apple/swift,lorentey/swift,harlanhaskins/swift,xwu/swift,rudkx/swift,atrick/swift,sschiau/swift,airspeedswift/swift,rudkx/swift,glessard/swift,roambotics/swift,rudkx/swift,aschwaighofer/swift,allevato/swift,stephentyrone/swift,rudkx/swift,parkera/swift,parkera/swift,karwa/swift,roambotics/swift,airspeedswift/swift,hooman/swift,ahoppen/swift,sschiau/swift,gregomni/swift,glessard/swift,atrick/swift,lorentey/swift,gribozavr/swift,benlangmuir/swift,roambotics/swift,jmgc/swift,benlangmuir/swift,lorentey/swift,gregomni/swift,xwu/swift,benlangmuir/swift,JGiola/swift,hooman/swift,harlanhaskins/swift,allevato/swift,xwu/swift,JGiola/swift,stephentyrone/swift,lorentey/swift,jckarter/swift,shahmishal/swift,parkera/swift,harlanhaskins/swift,CodaFi/swift,aschwaighofer/swift,jckarter/swift,karwa/swift,benlangmuir/swift,ahoppen/swift,jckarter/swift,parkera/swift,allevato/swift,stephentyrone/swift,ahoppen/swift,ahoppen/swift,benlangmuir/swift,roambotics/swift,stephentyrone/swift,parkera/swift,glessard/swift,sschiau/swift,harlanhaskins/swift,benlangmuir/swift,CodaFi/swift,jckarter/swift,CodaFi/swift,gribozavr/swift,devincoughlin/swift,JGiola/swift,CodaFi/swift,devincoughlin/swift,stephentyrone/swift,lorentey/swift,karwa/swift,shahmishal/swift,sschiau/swift,nathawes/swift,xwu/swift,shahmishal/swift,hooman/swift,gribozavr/swift,gregomni/swift,gribozavr/swift,roambotics/swift,airspeedswift/swift,tkremenek/swift,sschiau/swift,ahoppen/swift,stephentyrone/swift,roambotics/swift,jmgc/swift,atrick/swift,gribozavr/swift,allevato/swift,airspeedswift/swift,devincoughlin/swift,tkremenek/swift,karwa/swift,apple/swift,airspeedswift/swift,hooman/swift,karwa/swift,tkremenek/swift,glessard/swift,devincoughlin/swift,stephentyrone/swift,nathawes/swift,nathawes/swift,harlanhaskins/swift,karwa/swift,devincoughlin/swift,hooman/swift,devincoughlin/swift,devincoughlin/swift,gribozavr/swift,allevato/swift,shahmishal/swift,apple/swift,JGiola/swift,rudkx/swift,aschwaighofer/swift,shahmishal/swift,aschwaighofer/swift,nathawes/swift,apple/swift,tkremenek/swift,harlanhaskins/swift,jmgc/swift,glessard/swift,gribozavr/swift,sschiau/swift,xwu/swift,nathawes/swift,atrick/swift,CodaFi/swift,aschwaighofer/swift,airspeedswift/swift,allevato/swift,karwa/swift,sschiau/swift,gribozavr/swift,nathawes/swift,airspeedswift/swift,sschiau/swift,jmgc/swift,aschwaighofer/swift,aschwaighofer/swift,CodaFi/swift,atrick/swift,JGiola/swift