refactor(frontends/lean/elaborator): remove unnecessary set_local_context_for method
refactor(frontends/lean/elaborator): remove unnecessary
set_local_context_for method

johoelzl/lean,soonhokong/lean-osx,javra/lean,levnach/lean,fpvandoorn/lean,eigengrau/lean,UlrikBuchholtz/lean,soonhokong/lean,UlrikBuchholtz/lean,soonhokong/lean,digama0/lean,leodemoura/lean,fpvandoorn/lean2,avigad/lean,digama0/lean,fpvandoorn/lean,sp3ctum/lean,leanprover/lean,soonhokong/lean,fpvandoorn/lean,digama0/lean,eigengrau/lean,johoelzl/lean,leanprover-community/lean,eigengrau/lean,htzh/lean,htzh/lean,fgdorais/lean,leodemoura/lean,soonhokong/lean,c-cube/lean,Kha/lean,leodemoura/lean,soonhokong/lean-osx,leanprover-community/lean,leanprover-community/lean,avigad/lean,soonhokong/lean-osx,levnach/lean,dselsam/lean,soonhokong/lean-windows,c-cube/lean,htzh/lean,fpvandoorn/lean,avigad/lean,leanprover-community/lean,digama0/lean,Kha/lean,eigengrau/lean,soonhokong/lean-windows,levnach/lean,leanprover/lean,javra/lean,fgdorais/lean,avigad/lean,rlewis1988/lean,leanprover/lean,soonhokong/lean-windows,sp3ctum/lean,fpvandoorn/lean,rlewis1988/lean,c-cube/lean,Kha/lean,fpvandoorn/lean2,digama0/lean,johoelzl/lean,fpvandoorn/lean2,leanprover/lean,leanprover-community/lean,dselsam/lean,UlrikBuchholtz/lean,c-cube/lean,dselsam/lean,fpvandoorn/lean2,johoelzl/lean,Kha/lean,fgdorais/lean,javra/lean,rlewis1988/lean,sp3ctum/lean,soonhokong/lean-osx,UlrikBuchholtz/lean,leodemoura/lean,Kha/lean,c-cube/lean,sp3ctum/lean,dselsam/lean,levnach/lean,leanprover/lean,avigad/lean,leodemoura/lean,soonhokong/lean-windows,fgdorais/lean,javra/lean,rlewis1988/lean,UlrikBuchholtz/lean,Kha/lean,fgdorais/lean,htzh/lean,fpvandoorn/lean,leanprover/lean,johoelzl/lean,johoelzl/lean,eigengrau/lean,soonhokong/lean-windows,digama0/lean,soonhokong/lean,dselsam/lean,sp3ctum/lean,soonhokong/lean-osx,levnach/lean,javra/lean,dselsam/lean,leodemoura/lean,fpvandoorn/lean2,htzh/lean,fgdorais/lean,rlewis1988/lean,avigad/lean,leanprover-community/lean,rlewis1988/lean