universe: syncServerState logs server address in string format

Updated the syncServerState method to log the server address in string
format. This change simplifies log entries, improving clarity and
reducing clutter in log files.

Author: ffranr

universe/auto_syncer.go

@@ -199,7 +199,7 @@ func (f *FederationEnvoy) Stop() error {
 func (f *FederationEnvoy) syncServerState(ctx context.Context,
 	addr ServerAddr, syncConfigs SyncConfigs) error {
 
-	log.Infof("Syncing Universe state with server=%v", spew.Sdump(addr))
+	log.Infof("Syncing Universe state with server=%s", addr.HostStr())
 
 	// Attempt to sync with the remote Universe server, if this errors then
 	// we'll bail out early as something wrong happened.