Remove a workaround for GHC 6.4.2
Remove a workaround for GHC 6.4.2

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