build: obsolete options which have long been deprecated
build: obsolete options which have long been deprecated

This is simply dropping the error that would be presented for any
existing usage.  These have been rooted out for some time now.  Remove
the obsoleted checks.

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