systemd: remove RestartPreventExitStatus=1

Fix OsmoPCU not restarting if e.g. an external gsmtap IP is configured
that is currently not available. Also make the service files more
consistent with other Osmocom projects.

Revert f81e2f76 ("systemd: Do not re-start in case of exit(1) (e.g. a
config issue)").

Related: SYS#6581
Change-Id: I061206a6f61abddfa698a4ce809afcbdf0cbce9c
---
M contrib/systemd/osmo-pcu.service
1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/contrib/systemd/osmo-pcu.service b/contrib/systemd/osmo-pcu.service
index 5324883..f688d7f 100644
--- a/contrib/systemd/osmo-pcu.service
+++ b/contrib/systemd/osmo-pcu.service
@@ -10,7 +10,6 @@
 WorkingDirectory=%S/osmocom
 Restart=always
 RestartSec=2
-RestartPreventExitStatus=1
 # CPU scheduling policy:
 CPUSchedulingPolicy=rr
 # For real-time scheduling policies an integer between 1 (lowest priority) and 99 (highest priority):

