build: remove `MACCATALYST_BUILD_FLAVOR` from `_add_swift_host_library_single`
build: remove `MACCATALYST_BUILD_FLAVOR` from `_add_swift_host_library_single`

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