Remove pointless update of the floaitingip security rule

It is better to use full CIDR even for particular IP adresses.

firewall.tf

@@ -50,6 +50,6 @@ resource "openstack_networking_secgroup_rule_v2" "secgroup_rule_other6" {
 resource "openstack_networking_secgroup_rule_v2" "secgroup_rule_floatip" {
 	direction = "ingress"
 	ethertype = "IPv4"
-	remote_ip_prefix = openstack_networking_floatingip_v2.floatip_1.address
+	remote_ip_prefix = "${openstack_networking_floatingip_v2.floatip_1.address}/32"
 	security_group_id = openstack_networking_secgroup_v2.secgroup.id
 }