chore(inductive_compiler/mutual): remove outdated comment
chore(inductive_compiler/mutual): remove outdated comment

fpvandoorn/lean,fpvandoorn/lean,leanprover/lean,digama0/lean,dselsam/lean,leanprover/lean,leodemoura/lean,digama0/lean,leodemoura/lean,fgdorais/lean,avigad/lean,avigad/lean,dselsam/lean,avigad/lean,dselsam/lean,Kha/lean,rlewis1988/lean,leanprover-community/lean,digama0/lean,johoelzl/lean,leanprover-community/lean,rlewis1988/lean,leanprover/lean,leanprover-community/lean,dselsam/lean,fpvandoorn/lean,leanprover-community/lean,Kha/lean,leodemoura/lean,rlewis1988/lean,Kha/lean,fgdorais/lean,johoelzl/lean,Kha/lean,dselsam/lean,avigad/lean,fgdorais/lean,fgdorais/lean,leanprover/lean,johoelzl/lean,johoelzl/lean,leanprover-community/lean,avigad/lean,johoelzl/lean,johoelzl/lean,fgdorais/lean,digama0/lean,dselsam/lean,digama0/lean,fpvandoorn/lean,rlewis1988/lean,Kha/lean,fpvandoorn/lean,avigad/lean,rlewis1988/lean,leanprover/lean,digama0/lean,leanprover/lean,leodemoura/lean,leanprover-community/lean,rlewis1988/lean,Kha/lean,leodemoura/lean,leodemoura/lean,fpvandoorn/lean,fgdorais/lean