Implement deletion of sl alias as per #3055
Implement deletion of sl alias as per #3055

nunogt/oh-my-zsh,FrankSansC/oh-my-zsh,FrankSansC/oh-my-zsh,nunogt/oh-my-zsh,lightmanhk/oh-my-zsh,FrankSansC/oh-my-zsh,lightmanhk/oh-my-zsh,lightmanhk/oh-my-zsh,lightmanhk/oh-my-zsh,tekniklr/oh-my-zsh,FrankSansC/oh-my-zsh,tekniklr/oh-my-zsh