Alias -sil-merge-partial-modules to -merge-modules
Alias -sil-merge-partial-modules to -merge-modules

The option now has no additional meaning.
Eventually it should be removed, but for now just
alias it to `-merge-modules`.

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