Build system: don't set CLEANING=NO
Build system: don't set CLEANING=NO

We only ever check if CLEANING=YES.

[skip ci]

mettekou/ghc,tjakway/ghcjvm,sgillespie/ghc,TomMD/ghc,AlexanderPankiv/ghc,sgillespie/ghc,elieux/ghc,oldmanmike/ghc,olsner/ghc,sgillespie/ghc,acowley/ghc,mcschroeder/ghc,nushio3/ghc,nushio3/ghc,mettekou/ghc,snoyberg/ghc,olsner/ghc,TomMD/ghc,siddhanathan/ghc,shlevy/ghc,nushio3/ghc,TomMD/ghc,nkaretnikov/ghc,tjakway/ghcjvm,ml9951/ghc,vTurbine/ghc,snoyberg/ghc,ml9951/ghc,gridaphobe/ghc,da-x/ghc,urbanslug/ghc,mettekou/ghc,sgillespie/ghc,snoyberg/ghc,vTurbine/ghc,olsner/ghc,siddhanathan/ghc,TomMD/ghc,anton-dessiatov/ghc,nkaretnikov/ghc,siddhanathan/ghc,ezyang/ghc,elieux/ghc,da-x/ghc,siddhanathan/ghc,vikraman/ghc,wxwxwwxxx/ghc,urbanslug/ghc,shlevy/ghc,acowley/ghc,sdiehl/ghc,ml9951/ghc,vikraman/ghc,TomMD/ghc,sgillespie/ghc,ml9951/ghc,ghc-android/ghc,AlexanderPankiv/ghc,AlexanderPankiv/ghc,shlevy/ghc,ml9951/ghc,tjakway/ghcjvm,anton-dessiatov/ghc,tjakway/ghcjvm,da-x/ghc,olsner/ghc,mcschroeder/ghc,anton-dessiatov/ghc,oldmanmike/ghc,AlexanderPankiv/ghc,urbanslug/ghc,acowley/ghc,sgillespie/ghc,elieux/ghc,ezyang/ghc,vikraman/ghc,vTurbine/ghc,snoyberg/ghc,wxwxwwxxx/ghc,sgillespie/ghc,oldmanmike/ghc,oldmanmike/ghc,wxwxwwxxx/ghc,vTurbine/ghc,GaloisInc/halvm-ghc,vikraman/ghc,siddhanathan/ghc,TomMD/ghc,sdiehl/ghc,vikraman/ghc,gridaphobe/ghc,da-x/ghc,mfine/ghc,elieux/ghc,wxwxwwxxx/ghc,olsner/ghc,TomMD/ghc,mfine/ghc,mcschroeder/ghc,ml9951/ghc,acowley/ghc,shlevy/ghc,urbanslug/ghc,mcschroeder/ghc,ezyang/ghc,mettekou/ghc,sdiehl/ghc,anton-dessiatov/ghc,ghc-android/ghc,ezyang/ghc,ml9951/ghc,nkaretnikov/ghc,vTurbine/ghc,shlevy/ghc,anton-dessiatov/ghc,mettekou/ghc,gridaphobe/ghc,tjakway/ghcjvm,acowley/ghc,nkaretnikov/ghc,GaloisInc/halvm-ghc,mfine/ghc,wxwxwwxxx/ghc,AlexanderPankiv/ghc,vikraman/ghc,vTurbine/ghc,wxwxwwxxx/ghc,nushio3/ghc,mfine/ghc,anton-dessiatov/ghc,snoyberg/ghc,mfine/ghc,mettekou/ghc,oldmanmike/ghc,mcschroeder/ghc,ghc-android/ghc,ezyang/ghc,urbanslug/ghc,sdiehl/ghc,elieux/ghc,gridaphobe/ghc,ghc-android/ghc,ml9951/ghc,GaloisInc/halvm-ghc,olsner/ghc,elieux/ghc,nushio3/ghc,acowley/ghc,snoyberg/ghc,siddhanathan/ghc,tjakway/ghcjvm,ghc-android/ghc,ezyang/ghc,GaloisInc/halvm-ghc,oldmanmike/ghc,tjakway/ghcjvm,mcschroeder/ghc,ghc-android/ghc,vTurbine/ghc,ghc-android/ghc,da-x/ghc,shlevy/ghc,nkaretnikov/ghc,oldmanmike/ghc,mettekou/ghc,GaloisInc/halvm-ghc,GaloisInc/halvm-ghc,da-x/ghc,mfine/ghc,urbanslug/ghc,urbanslug/ghc,nkaretnikov/ghc,gridaphobe/ghc,elieux/ghc,olsner/ghc,AlexanderPankiv/ghc,ezyang/ghc,nushio3/ghc,shlevy/ghc,sdiehl/ghc,nushio3/ghc,gridaphobe/ghc,sdiehl/ghc,wxwxwwxxx/ghc,gridaphobe/ghc,mfine/ghc,da-x/ghc,sdiehl/ghc,acowley/ghc,GaloisInc/halvm-ghc,AlexanderPankiv/ghc,mcschroeder/ghc,vikraman/ghc,nkaretnikov/ghc,snoyberg/ghc,anton-dessiatov/ghc,siddhanathan/ghc