[3.12] gh-94172: Update keyfile removal documentation (GH-105392) by miss-islington · Pull Request #105402 · python/cpython

@vstinner @miss-islington

Remove the "deprecated:: 3.6" markup, since the parameters (like
keyfile and certfile) got removed in Python 3.12.
(cherry picked from commit 2b8e6e5)

Co-authored-by: Victor Stinner <vstinner@python.org>

This was referenced

Jun 6, 2023