systemd: Drop a backport

This patch should have been dropped when upgrading to 253
since its already available upstream since then

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit 5b677b76)
Signed-off-by: Steve Sakoman <steve@sakoman.com>