remove cloud-init-firstboot service

cloud-init-firstboot service is not more needed because
cloud-init service can use --user-data-once option to
process only on first boot user data

Makefile.am

@@ -14,7 +14,6 @@ AM_CFLAGS = -std=gnu99 -fstack-protector -Wall -pedantic \
 EXTRA_DIST = \
 	LICENSE \
 	COPYING \
-	data/cloud-init-firstboot.service.in
 	data/cloud-init.service.in
 
 DISTCHECK_CONFIGURE_FLAGS =  \
@@ -69,17 +68,15 @@ cloud_init_CFLAGS = $(AM_CFLAGS) $(GLIB_CFLAGS) $(YAML_CFLAGS) $(JSON_GLIB_CFLAG
 cloud_init_LDADD = $(GLIB_LIBS) $(YAML_LIBS) $(CURL_LIBS) $(JSON_GLIB_LIBS) $(PARTED_LIBS) $(BLKID_LIBS)
 SYSTEMD_DIR=$(prefix)/lib/systemd/system/
 systemdsystemunitdir = @SYSTEMD_SYSTEMUNITDIR@
-systemdsystemunit_DATA = data/cloud-init-firstboot.service data/cloud-init.service
+systemdsystemunit_DATA = data/cloud-init.service
 
 systemdsystemunit-install-local:
 	mkdir -p $(DESTDIR)$(systemdsystemunitdir)/multi-user.target.wants/
 	ln -sf ../cloud-init.service $(DESTDIR)$(systemdsystemunitdir)/multi-user.target.wants/cloud-init.service
-	ln -sf ../cloud-init-firstboot.service $(DESTDIR)$(systemdsystemunitdir)/multi-user.target.wants/cloud-init-firstboot.service
 
 install-data-local: systemdsystemunit-install-local
 
 systemdsystemunit-uninstall-local:
 	rm -f $(DESTDIR)$(systemdsystemunitdir)/multi-user.target.wants/cloud-init.service
-	rm -f $(DESTDIR)$(systemdsystemunitdir)/multi-user.target.wants/cloud-init-firstboot.service
 
 uninstall-local: systemdsystemunit-uninstall-local

configure.ac

@@ -7,7 +7,6 @@ AM_INIT_AUTOMAKE([foreign -Wall -Werror -Wno-portability silent-rules subdir-obj
 AC_CONFIG_SRCDIR([src/main.c])
 AC_CONFIG_FILES([Makefile
 		tests/Makefile
-		data/cloud-init-firstboot.service
 		data/cloud-init.service])
 AC_CONFIG_HEADERS([config.h])
 

data/cloud-init.service.in

@@ -4,11 +4,10 @@ After=local-fs.target network.target
 Before=sshd.service sshd-keygen.service
 Requires=network.target
 Wants=local-fs.target sshd.service sshd-keygen.service
-ConditionFirstBoot=no
 
 [Service]
 Type=oneshot
-ExecStart=@prefix@/bin/cloud-init --fix-disk --metadata
+ExecStart=@prefix@/bin/cloud-init --fix-disk --metadata --user-data-once
 RemainAfterExit=yes
 TimeoutSec=0