apply @lidel's suggestions

Co-authored-by: Marcin Rataj <lidel@lidel.org>

core/node/groups.go

@@ -124,9 +124,10 @@ func LibP2P(bcfg *BuildCfg, cfg *config.Config) fx.Option {
  }
  //nolint
  if cfg.Swarm.EnableRelayHop {
- logger.Error("The `Swarm.EnableRelayHop` config field is deprecated.\n" +
+ logger.Error("The `Swarm.EnableRelayHop` config field is ignored.\n" +
  "Use `Swarm.RelayService` to configure the circuit v2 relay.\n" +
- "If you want to continue running a circuit v1 relay, please use the standalone relay daemon: https://github.com/libp2p/go-libp2p-relay-daemon\n")
+ "If you want to continue running a circuit v1 relay, please use the standalone relay daemon: https://github.com/libp2p/go-libp2p-relay-daemon (with RelayV1.Enabled: true)\n")
+ os.Exit(1)
  }
 
  // Gather all the options