Revert "Have :load work under -XSafe in GHCi."
Revert "Have :load work under -XSafe in GHCi."

This reverts commit 5e9e07a33e17da01245f0cea78e6a6f8a32ac77d.

Reverting to fix validate regression, and pending a redesign of the
changes.

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