fix(library/data/real/basic): remove obsolete notation declarations
fix(library/data/real/basic): remove obsolete notation declarations

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