This commit fixes the ntpd stub script for maas. The simpler

approach of simply exiting satisfies both maas and systemctl which
maas appears to poll.

Change-Id: Ibdf8a2efe1120e9fa5d7ef2f2656307d0110d65e

charts/maas/templates/bin/_ntpd.sh.tpl

@@ -2,6 +2,4 @@
 
 # This is a stub ntpd process that will simply do nothing
 
-while true; do
-  sleep 1000
-done
+exit 0