rhel: remove duplicate line from rhel/automake.mk
Fixes: commit ("rhel: Firewall service files for OVN.")
@@ -31,7 +31,6 @@ EXTRA_DIST += \
rhel/usr_lib_systemd_system_ovn-controller.service \
rhel/usr_lib_systemd_system_ovn-controller-vtep.service \
rhel/usr_lib_systemd_system_ovn-northd.service \
- rhel/usr_lib_systemd_system_ovn-northd.service \
rhel/usr_lib_firewalld_services_ovn-central-firewall-service.xml \
rhel/usr_lib_firewalld_services_ovn-host-firewall-service.xml
