Remove graphFromVerticesAndAdjacency
Remove graphFromVerticesAndAdjacency

It's not used anywhere.

Reviewed By: austin

Differential Revision: https://phabricator.haskell.org/D1266

vTurbine/ghc,shlevy/ghc,oldmanmike/ghc,ghc-android/ghc,vTurbine/ghc,vikraman/ghc,nushio3/ghc,gridaphobe/ghc,gridaphobe/ghc,siddhanathan/ghc,vikraman/ghc,GaloisInc/halvm-ghc,vTurbine/ghc,ezyang/ghc,tjakway/ghcjvm,vTurbine/ghc,ghc-android/ghc,oldmanmike/ghc,vikraman/ghc,sgillespie/ghc,vTurbine/ghc,olsner/ghc,oldmanmike/ghc,elieux/ghc,sgillespie/ghc,siddhanathan/ghc,vikraman/ghc,mcschroeder/ghc,nushio3/ghc,ezyang/ghc,vikraman/ghc,mettekou/ghc,ghc-android/ghc,da-x/ghc,sdiehl/ghc,AlexanderPankiv/ghc,oldmanmike/ghc,snoyberg/ghc,GaloisInc/halvm-ghc,da-x/ghc,ezyang/ghc,AlexanderPankiv/ghc,mettekou/ghc,nushio3/ghc,elieux/ghc,tjakway/ghcjvm,sgillespie/ghc,da-x/ghc,olsner/ghc,snoyberg/ghc,ml9951/ghc,ghc-android/ghc,mettekou/ghc,AlexanderPankiv/ghc,ezyang/ghc,gridaphobe/ghc,nushio3/ghc,sdiehl/ghc,olsner/ghc,da-x/ghc,gridaphobe/ghc,vTurbine/ghc,sdiehl/ghc,elieux/ghc,olsner/ghc,ghc-android/ghc,ml9951/ghc,AlexanderPankiv/ghc,oldmanmike/ghc,tjakway/ghcjvm,ml9951/ghc,vikraman/ghc,snoyberg/ghc,ezyang/ghc,mcschroeder/ghc,snoyberg/ghc,elieux/ghc,da-x/ghc,ml9951/ghc,sgillespie/ghc,siddhanathan/ghc,vikraman/ghc,elieux/ghc,snoyberg/ghc,ezyang/ghc,siddhanathan/ghc,tjakway/ghcjvm,elieux/ghc,gridaphobe/ghc,da-x/ghc,siddhanathan/ghc,da-x/ghc,gridaphobe/ghc,mettekou/ghc,mcschroeder/ghc,ml9951/ghc,mcschroeder/ghc,AlexanderPankiv/ghc,oldmanmike/ghc,siddhanathan/ghc,ml9951/ghc,elieux/ghc,mcschroeder/ghc,snoyberg/ghc,mettekou/ghc,sdiehl/ghc,tjakway/ghcjvm,tjakway/ghcjvm,GaloisInc/halvm-ghc,siddhanathan/ghc,mcschroeder/ghc,sgillespie/ghc,ghc-android/ghc,ezyang/ghc,GaloisInc/halvm-ghc,GaloisInc/halvm-ghc,nushio3/ghc,olsner/ghc,ml9951/ghc,sdiehl/ghc,mettekou/ghc,olsner/ghc,sdiehl/ghc,nushio3/ghc,sgillespie/ghc,nushio3/ghc,mettekou/ghc,AlexanderPankiv/ghc,shlevy/ghc,olsner/ghc,shlevy/ghc,sdiehl/ghc,ghc-android/ghc,ml9951/ghc,GaloisInc/halvm-ghc,mcschroeder/ghc,shlevy/ghc,shlevy/ghc,shlevy/ghc,snoyberg/ghc,oldmanmike/ghc,shlevy/ghc,GaloisInc/halvm-ghc,vTurbine/ghc,gridaphobe/ghc,AlexanderPankiv/ghc,tjakway/ghcjvm,sgillespie/ghc