jpictl: don't append -1 to ring1 addresses on jpictl list

Signed-off-by: Alejandro Mery <amery@jpi.io>

cmd/jpictl/list.go

@@ -108,7 +108,7 @@ func (*inventory) renderRingOneZone(out *tools.LazyBuffer, r *cluster.Region, z
 	z.ForEachMachine(func(m *cluster.Machine) bool {
 		addr := m.RingOneAddress()
 		cidr := netip.PrefixFrom(addr, 32)
-		_ = out.Printf("%s\t\t%s-%v\n", cidr, m.Name, 1)
+		_ = out.Printf("%s\t\t%s\n", cidr, m.Name)
 		return false
 	})
 	return nil