fix: __name__ can stay

pkg/querier/promql_query.go

@@ -237,11 +237,21 @@ func (q *promqlQuery) Execute(ctx context.Context) (*qbv5.Result, error) {
 		return nil, errors.WrapInternalf(promErr, errors.CodeInternal, "error getting matrix from promql query %q", query)
 	}
 
+	excludeLabel := func(labelName string) bool {
+		if labelName == "__name__" {
+			return false
+		}
+		return strings.HasPrefix(labelName, "__") || labelName == "fingerprint"
+	}
+
 	var series []*qbv5.TimeSeries
 	for _, v := range matrix {
 		var s qbv5.TimeSeries
 		lbls := make([]*qbv5.Label, 0, len(v.Metric))
 		for name, value := range v.Metric.Copy().Map() {
+			if excludeLabel(name) {
+				continue
+			}
 			lbls = append(lbls, &qbv5.Label{
 				Key:   telemetrytypes.TelemetryFieldKey{Name: name},
 				Value: value,