remove some dead code
remove some dead code

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