[build-script-impl] Remove destdir from cmake install path for libdispatch
[build-script-impl] Remove destdir from cmake install path for libdispatch

This is passed as an env variable so it is not needed in the prefix.

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