[SourceKit/CodeCompletion] Remove unnecessary sorting in completion
[SourceKit/CodeCompletion] Remove unnecessary sorting in completion

codeCompleteOpen() has own sorting algorithm, codeComplete() calls this
sortCompletionResults() in its callback. So this pre-sorting is
completely unnecessary.

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