chore(library/standard/data/int/basic): remove TODO's that were addressed by recent improvements
chore(library/standard/data/int/basic): remove TODO's that were addressed by recent improvements

Signed-off-by: Leonardo de Moura <7610bae85f2b530654cc716772f1fe653373e892@microsoft.com>

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