refactor(library/hott): remove unnecessary generalizations
refactor(library/hott): remove unnecessary generalizations

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