fix(kernel): remove unnecessary file
fix(kernel): remove unnecessary file

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

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