Remove unused static function whose last use was removed in https://github.com/apple/swift/pull/14386.
Remove unused static function whose last use was removed in https://github.com/apple/swift/pull/14386.

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