update go-nostr so just "localhost[:port]" works as a relay url.

relay.go

@@ -4,7 +4,6 @@ import (
 	"context"
 	"encoding/json"
 	"fmt"
-	"strings"
 
 	"github.com/nbd-wtf/go-nostr/nip11"
 	"github.com/urfave/cli/v3"
@@ -22,10 +21,6 @@ var relay = &cli.Command{
 				return fmt.Errorf("specify the <relay-url>")
 			}
 
-			if !strings.HasPrefix(url, "wss://") && !strings.HasPrefix(url, "ws://") {
-				url = "wss://" + url
-			}
-
 			info, err := nip11.Fetch(ctx, url)
 			if err != nil {
 				lineProcessingError(ctx, "failed to fetch '%s' information document: %w", url, err)