Remove confusing `incIfSigned` control flow
Remove confusing `incIfSigned` control flow

This function was named exactly backwards (it incremented only when
*not* signed). Investigating this naming error revealed that the call
site was also unclear: `incIfSigned` was called from a block where
`signed` was known to be False). So, I inlined the logic in the one
place where it was actually used, and removed the function.

devincoughlin/swift,return/swift,apple/swift,austinzheng/swift,sschiau/swift,JaSpa/swift,gmilos/swift,swiftix/swift,milseman/swift,OscarSwanros/swift,IngmarStein/swift,lorentey/swift,nathawes/swift,CodaFi/swift,djwbrown/swift,kstaring/swift,deyton/swift,devincoughlin/swift,KrishMunot/swift,glessard/swift,SwiftAndroid/swift,devincoughlin/swift,huonw/swift,therealbnut/swift,frootloops/swift,tardieu/swift,apple/swift,modocache/swift,shajrawi/swift,gottesmm/swift,gottesmm/swift,stephentyrone/swift,deyton/swift,jckarter/swift,shahmishal/swift,brentdax/swift,manavgabhawala/swift,johnno1962d/swift,OscarSwanros/swift,rudkx/swift,uasys/swift,milseman/swift,shajrawi/swift,deyton/swift,dduan/swift,ben-ng/swift,slavapestov/swift,adrfer/swift,tkremenek/swift,austinzheng/swift,tinysun212/swift-windows,deyton/swift,arvedviehweger/swift,parkera/swift,huonw/swift,ahoppen/swift,calebd/swift,JaSpa/swift,codestergit/swift,CodaFi/swift,djwbrown/swift,JGiola/swift,karwa/swift,adrfer/swift,lorentey/swift,harlanhaskins/swift,swiftix/swift,hooman/swift,aschwaighofer/swift,tinysun212/swift-windows,dreamsxin/swift,IngmarStein/swift,tjw/swift,karwa/swift,felix91gr/swift,codestergit/swift,stephentyrone/swift,karwa/swift,gmilos/swift,hooman/swift,benlangmuir/swift,KrishMunot/swift,huonw/swift,lorentey/swift,sschiau/swift,jopamer/swift,hughbe/swift,aschwaighofer/swift,allevato/swift,KrishMunot/swift,jmgc/swift,felix91gr/swift,slavapestov/swift,IngmarStein/swift,danielmartin/swift,jmgc/swift,brentdax/swift,JGiola/swift,gottesmm/swift,austinzheng/swift,harlanhaskins/swift,tjw/swift,roambotics/swift,jtbandes/swift,jckarter/swift,jckarter/swift,milseman/swift,lorentey/swift,stephentyrone/swift,natecook1000/swift,jopamer/swift,Jnosh/swift,tinysun212/swift-windows,Jnosh/swift,slavapestov/swift,arvedviehweger/swift,gribozavr/swift,tardieu/swift,glessard/swift,manavgabhawala/swift,dreamsxin/swift,apple/swift,return/swift,hooman/swift,OscarSwanros/swift,johnno1962d/swift,zisko/swift,glessard/swift,zisko/swift,hughbe/swift,CodaFi/swift,return/swift,tkremenek/swift,tkremenek/swift,gmilos/swift,airspeedswift/swift,huonw/swift,IngmarStein/swift,adrfer/swift,return/swift,xedin/swift,natecook1000/swift,rudkx/swift,djwbrown/swift,jckarter/swift,modocache/swift,slavapestov/swift,shajrawi/swift,OscarSwanros/swift,sschiau/swift,swiftix/swift,hughbe/swift,therealbnut/swift,zisko/swift,gribozavr/swift,xwu/swift,jmgc/swift,ken0nek/swift,stephentyrone/swift,OscarSwanros/swift,roambotics/swift,tinysun212/swift-windows,amraboelela/swift,frootloops/swift,gmilos/swift,slavapestov/swift,jtbandes/swift,dduan/swift,modocache/swift,danielmartin/swift,apple/swift,shahmishal/swift,jckarter/swift,kperryua/swift,austinzheng/swift,ken0nek/swift,hooman/swift,karwa/swift,atrick/swift,JGiola/swift,tkremenek/swift,Jnosh/swift,brentdax/swift,jtbandes/swift,zisko/swift,Jnosh/swift,shajrawi/swift,sschiau/swift,rudkx/swift,airspeedswift/swift,xedin/swift,gribozavr/swift,lorentey/swift,codestergit/swift,parkera/swift,ken0nek/swift,manavgabhawala/swift,KrishMunot/swift,adrfer/swift,bitjammer/swift,xwu/swift,zisko/swift,codestergit/swift,harlanhaskins/swift,xwu/swift,gottesmm/swift,allevato/swift,roambotics/swift,nathawes/swift,tjw/swift,return/swift,jtbandes/swift,russbishop/swift,natecook1000/swift,ken0nek/swift,gregomni/swift,calebd/swift,benlangmuir/swift,gottesmm/swift,stephentyrone/swift,nathawes/swift,harlanhaskins/swift,tardieu/swift,kstaring/swift,karwa/swift,kperryua/swift,atrick/swift,frootloops/swift,allevato/swift,SwiftAndroid/swift,shajrawi/swift,manavgabhawala/swift,jtbandes/swift,jtbandes/swift,milseman/swift,rudkx/swift,brentdax/swift,frootloops/swift,OscarSwanros/swift,russbishop/swift,calebd/swift,amraboelela/swift,modocache/swift,austinzheng/swift,xedin/swift,devincoughlin/swift,parkera/swift,apple/swift,ben-ng/swift,tjw/swift,gregomni/swift,atrick/swift,kstaring/swift,ben-ng/swift,danielmartin/swift,airspeedswift/swift,atrick/swift,jckarter/swift,milseman/swift,tinysun212/swift-windows,huonw/swift,hooman/swift,practicalswift/swift,kstaring/swift,adrfer/swift,ken0nek/swift,ben-ng/swift,shahmishal/swift,devincoughlin/swift,kstaring/swift,atrick/swift,danielmartin/swift,atrick/swift,glessard/swift,glessard/swift,swiftix/swift,amraboelela/swift,danielmartin/swift,dduan/swift,danielmartin/swift,roambotics/swift,SwiftAndroid/swift,swiftix/swift,hughbe/swift,practicalswift/swift,gmilos/swift,gribozavr/swift,CodaFi/swift,JaSpa/swift,xwu/swift,arvedviehweger/swift,karwa/swift,therealbnut/swift,alblue/swift,CodaFi/swift,kperryua/swift,dduan/swift,austinzheng/swift,bitjammer/swift,gmilos/swift,djwbrown/swift,devincoughlin/swift,arvedviehweger/swift,russbishop/swift,xwu/swift,KrishMunot/swift,modocache/swift,swiftix/swift,felix91gr/swift,KrishMunot/swift,practicalswift/swift,gribozavr/swift,IngmarStein/swift,arvedviehweger/swift,shajrawi/swift,gribozavr/swift,natecook1000/swift,codestergit/swift,lorentey/swift,milseman/swift,adrfer/swift,sschiau/swift,practicalswift/swift,ar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