[CSDiag] Remove obsolete logic related to invalid `mutating` member refs
[CSDiag] Remove obsolete logic related to invalid `mutating` member refs

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