Clean includes/GHCConstants.h includes/DerivedConstants.h
Clean includes/GHCConstants.h includes/DerivedConstants.h

We no longer generate them, but they may be in existing GHC trees,
so we'll keep cleaning them for a while.

shlevy/ghc,wxwxwwxxx/ghc,sdiehl/ghc,green-haskell/ghc,ml9951/ghc,da-x/ghc,mfine/ghc,AlexanderPankiv/ghc,hferreiro/replay,bitemyapp/ghc,wxwxwwxxx/ghc,mcmaniac/ghc,mettekou/ghc,nkaretnikov/ghc,sdiehl/ghc,nathyong/microghc-ghc,anton-dessiatov/ghc,hferreiro/replay,sgillespie/ghc,ghc-android/ghc,ekmett/ghc,nathyong/microghc-ghc,nomeata/ghc,ml9951/ghc,forked-upstream-packages-for-ghcjs/ghc,nushio3/ghc,anton-dessiatov/ghc,mettekou/ghc,nathyong/microghc-ghc,tjakway/ghcjvm,anton-dessiatov/ghc,olsner/ghc,sgillespie/ghc,siddhanathan/ghc,vTurbine/ghc,GaloisInc/halvm-ghc,ryantm/ghc,acowley/ghc,ml9951/ghc,nushio3/ghc,ezyang/ghc,nkaretnikov/ghc,anton-dessiatov/ghc,gridaphobe/ghc,nkaretnikov/ghc,shlevy/ghc,ml9951/ghc,anton-dessiatov/ghc,spacekitteh/smcghc,da-x/ghc,tjakway/ghcjvm,tibbe/ghc,ilyasergey/GHC-XAppFix,wxwxwwxxx/ghc,gcampax/ghc,ekmett/ghc,sdiehl/ghc,elieux/ghc,acowley/ghc,olsner/ghc,vTurbine/ghc,mettekou/ghc,nkaretnikov/ghc,vikraman/ghc,GaloisInc/halvm-ghc,sdiehl/ghc,green-haskell/ghc,ghc-android/ghc,lukexi/ghc-7.8-arm64,nathyong/microghc-ghc,holzensp/ghc,elieux/ghc,vikraman/ghc,green-haskell/ghc,mcschroeder/ghc,GaloisInc/halvm-ghc,shlevy/ghc,snoyberg/ghc,vTurbine/ghc,christiaanb/ghc,sdiehl/ghc,nathyong/microghc-ghc,nushio3/ghc,fmthoma/ghc,tjakway/ghcjvm,mcmaniac/ghc,elieux/ghc,mfine/ghc,gcampax/ghc,siddhanathan/ghc,jstolarek/ghc,lukexi/ghc,vTurbine/ghc,tibbe/ghc,olsner/ghc,olsner/ghc,siddhanathan/ghc,sdiehl/ghc,GaloisInc/halvm-ghc,nomeata/ghc,jstolarek/ghc,GaloisInc/halvm-ghc,forked-upstream-packages-for-ghcjs/ghc,gcampax/ghc,ezyang/ghc,oldmanmike/ghc,oldmanmike/ghc,urbanslug/ghc,lukexi/ghc,holzensp/ghc,acowley/ghc,vTurbine/ghc,TomMD/ghc,TomMD/ghc,GaloisInc/halvm-ghc,lukexi/ghc-7.8-arm64,fmthoma/ghc,spacekitteh/smcghc,urbanslug/ghc,shlevy/ghc,lukexi/ghc-7.8-arm64,forked-upstream-packages-for-ghcjs/ghc,frantisekfarka/ghc-dsi,mcschroeder/ghc,nathyong/microghc-ghc,tjakway/ghcjvm,holzensp/ghc,ghc-android/ghc,bitemyapp/ghc,sgillespie/ghc,elieux/ghc,sgillespie/ghc,mettekou/ghc,olsner/ghc,mettekou/ghc,TomMD/ghc,siddhanathan/ghc,nushio3/ghc,tibbe/ghc,AlexanderPankiv/ghc,christiaanb/ghc,AlexanderPankiv/ghc,jstolarek/ghc,mcmaniac/ghc,urbanslug/ghc,hferreiro/replay,fmthoma/ghc,ml9951/ghc,forked-upstream-packages-for-ghcjs/ghc,acowley/ghc,lukexi/ghc,vikraman/ghc,mcschroeder/ghc,nushio3/ghc,urbanslug/ghc,forked-upstream-packages-for-ghcjs/ghc,ghc-android/ghc,acowley/ghc,shlevy/ghc,snoyberg/ghc,gcampax/ghc,urbanslug/ghc,mcschroeder/ghc,hferreiro/replay,lukexi/ghc,nomeata/ghc,gridaphobe/ghc,wxwxwwxxx/ghc,snoyberg/ghc,elieux/ghc,ghc-android/ghc,vikraman/ghc,siddhanathan/ghc,mettekou/ghc,wxwxwwxxx/ghc,oldmanmike/ghc,hferreiro/replay,ghc-android/ghc,lukexi/ghc,elieux/ghc,ekmett/ghc,mcschroeder/ghc,forked-upstream-packages-for-ghcjs/ghc,wxwxwwxxx/ghc,da-x/ghc,spacekitteh/smcghc,anton-dessiatov/ghc,da-x/ghc,ryantm/ghc,christiaanb/ghc,nomeata/ghc,da-x/ghc,green-haskell/ghc,mettekou/ghc,ml9951/ghc,shlevy/ghc,acowley/ghc,shlevy/ghc,vikraman/ghc,mfine/ghc,gridaphobe/ghc,spacekitteh/smcghc,sdiehl/ghc,ezyang/ghc,wxwxwwxxx/ghc,olsner/ghc,spacekitteh/smcghc,nomeata/ghc,sgillespie/ghc,tjakway/ghcjvm,vikraman/ghc,lukexi/ghc-7.8-arm64,da-x/ghc,AlexanderPankiv/ghc,gridaphobe/ghc,tjakway/ghcjvm,lukexi/ghc-7.8-arm64,ml9951/ghc,vTurbine/ghc,vikraman/ghc,bitemyapp/ghc,urbanslug/ghc,tibbe/ghc,ml9951/ghc,hferreiro/replay,snoyberg/ghc,oldmanmike/ghc,fmthoma/ghc,gcampax/ghc,TomMD/ghc,jstolarek/ghc,TomMD/ghc,AlexanderPankiv/ghc,sgillespie/ghc,jstolarek/ghc,oldmanmike/ghc,mfine/ghc,mcschroeder/ghc,olsner/ghc,ezyang/ghc,mfine/ghc,frantisekfarka/ghc-dsi,gcampax/ghc,vTurbine/ghc,mfine/ghc,mcmaniac/ghc,mcschroeder/ghc,mfine/ghc,nkaretnikov/ghc,forked-upstream-packages-for-ghcjs/ghc,siddhanathan/ghc,frantisekfarka/ghc-dsi,gridaphobe/ghc,ezyang/ghc,ezyang/ghc,anton-dessiatov/ghc,green-haskell/ghc,christiaanb/ghc,ilyasergey/GHC-XAppFix,gcampax/ghc,ryantm/ghc,christiaanb/ghc,fmthoma/ghc,ilyasergey/GHC-XAppFix,fmthoma/ghc,sgillespie/ghc,AlexanderPankiv/ghc,nushio3/ghc,ryantm/ghc,acowley/ghc,nushio3/ghc,ekmett/ghc,oldmanmike/ghc,frantisekfarka/ghc-dsi,nathyong/microghc-ghc,gridaphobe/ghc,TomMD/ghc,tjakway/ghcjvm,bitemyapp/ghc,christiaanb/ghc,mcmaniac/ghc,ekmett/ghc,ghc-android/ghc,holzensp/ghc,bitemyapp/ghc,nkaretnikov/ghc,snoyberg/ghc,AlexanderPankiv/ghc,snoyberg/ghc,ilyasergey/GHC-XAppFix,urbanslug/ghc,nkaretnikov/ghc,hferreiro/replay,GaloisInc/halvm-ghc,siddhanathan/ghc,holzensp/ghc,fmthoma/ghc,frantisekfarka/ghc-dsi,gridaphobe/ghc,ezyang/ghc,tibbe/ghc,da-x/ghc,ryantm/ghc,TomMD/ghc,christiaanb/ghc,elieux/ghc,oldmanmike/ghc,snoyberg/ghc