Move ipa-epn systemd files and run RPM hooks

The init/systemd directory is for server only and not part of
CLIENT_ONLY builds.

It's necesary to run pre/post installation hooks to make systemd aware
of new files.

Fixes: https://pagure.io/freeipa/issue/8367
Signed-off-by: Christian Heimes <cheimes@redhat.com>
Reviewed-By: Rob Crittenden <rcritten@redhat.com>
Reviewed-By: Francois Cami <fcami@redhat.com>

init/systemd/Makefile.am

@@ -2,17 +2,17 @@
 #
 AUTOMAKE_OPTIONS = 1.7
 
+NULL =
+
 dist_noinst_DATA = 			\
 	ipa-custodia.service.in		\
 	ipa.service.in			\
-	ipa-epn.service.in		\
-	ipa-epn.timer.in
+	$(NULL)
 
 systemdsystemunit_DATA = 	\
 	ipa-custodia.service	\
 	ipa.service				\
-	ipa-epn.service			\
-	ipa-epn.timer
+	$(NULL)
 
 CLEANFILES = $(systemdsystemunit_DATA)
 

init/systemd/ipa-epn.service.in

@@ -1,9 +0,0 @@
-[Unit]
-Description=Execute IPA Expiring Password Notification (EPN)
-
-[Service]
-Type=simple
-ExecStart=@sbindir@/ipa-epn
-
-[Install]
-WantedBy=multi-user.target

init/systemd/ipa-epn.timer.in

@@ -1,9 +0,0 @@
-[Unit]
-Description=Execute IPA Expiring Password Notification (EPN) every day at 1AM
-
-[Timer]
-OnCalendar=*-*-* 01:00:00
-Unit=ipa-epn.service
-
-[Install]
-WantedBy=multi-user.target