cmd: print help directly, not as log.Info()

cmd/rednerd/cmd/run.go

@@ -32,7 +32,7 @@
 		var fErr *flags.Error
 		if errors.As(err, &fErr) {
 			if fErr.Type == flags.ErrHelp {
-				log.Info().Err(err).Msg("")
+				fmt.Println(fErr.Message)
 			} else {
 				return fmt.Errorf("failed to parse: %w", err)
 			}