chore(library/theories/number_theory/primes): remove unnecessary "have"
chore(library/theories/number_theory/primes): remove unnecessary "have"

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