Address reviewer comments

find.go

@@ -70,8 +70,7 @@ func (s *server) findMetadataSubtree(w http.ResponseWriter, r *http.Request) {
 		maxWait: config.Server.ResultMaxWait,
 	}
 
-	var count int32
-	// TODO: wait for the first successful response instead
+	// TODO: wait for the first successfull response instead
 	if err := sg.scatter(ctx, func(cctx context.Context, b *url.URL) (*[]byte, error) {
 		// Copy the URL from original request and override host/schema to point
 		// to the server.
@@ -100,10 +99,8 @@ func (s *server) findMetadataSubtree(w http.ResponseWriter, r *http.Request) {
 
 		switch resp.StatusCode {
 		case http.StatusOK:
-			atomic.AddInt32(&count, 1)
 			return &data, nil
 		case http.StatusNotFound:
-			atomic.AddInt32(&count, 1)
 			return nil, nil
 		default:
 			return nil, fmt.Errorf("status %d response from backend %s", resp.StatusCode, b.String())