[ConstraintSystem] NFC: Unify logic used to fix requirement failures
[ConstraintSystem] NFC: Unify logic used to fix requirement failures

There was duplicate code used in `simplifyConformsToConstraint` and
`repairFailures`, both places should be using `fixRequirementFailure`
instead.

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