[Sema] NFC: delete TypeChecker's copy constructor
[Sema] NFC: delete TypeChecker's copy constructor

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