bpo-44756: [docs] revert automated virtual environment creation on `make html` (GH-27635)

It turned out to be disruptive for downstream distributors.
(cherry picked from commit 55fa87b1ef46bbb9db7612b2dc2dd7fb039d9bc3)

Co-authored-by: Łukasz Langa <lukasz@langa.pl>

Miss Islington (bot) committed 4y ago

1e9c9ca570ffe92dc6a60825c2f9c91865129b8f

Parent: 2b1e713

Committed by GitHub <noreply@github.com> on 8/6/2021, 7:15:54 PM