doc: remove superfluous warning
authorHeinrich Schuchardt <heinrich.schuchardt@canonical.com>
Sun, 19 Feb 2023 20:26:24 +0000 (21:26 +0100)
committerHeinrich Schuchardt <heinrich.schuchardt@canonical.com>
Sun, 19 Feb 2023 20:34:38 +0000 (21:34 +0100)
commit5e957ae3504290a0c62188331a429ec9b908aa1b
tree5a44e93534606e0ad7d2268dbdd326c3c93911bf
parent4429393b5a41557c744b1fab912a32b34bee8d38
doc: remove superfluous warning

We have been using Sphinx >=3 since 2020. We don't expect issues.

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
doc/conf.py