docs/deprecated: remove .patch release from deprecation status

commit de8b696 removed the patch
releases from the deprecation doc, but when we switched to the
SemVer(ish) format for v23.0, we accidentally added them back.

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
(cherry picked from commit 6460eea)
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>