Github – Eliminar una página de la wiki de Github

git clone https://github.com/angelomarsanz/atmbr.wiki.git

cd atmbr.wiki

rm Home.md

git add -A
git commit -m "2019-02-02-1939"
git push

Fuente: https://webapps.stackexchange.com/questions/36816/how-to-delete-a-github-wiki-page