message: Do not show missing grafana URL as an error
diff: @@ -125,8 +125,7 @@ class ServiceMetrics extends React.Component<ServiceId, ServiceMetricsState> {
  .catch(error => {
  this.setState({
  grafanaLinkIn: undefined,
  - grafanaLinkOut: undefined,
  - alertDetails: API.getErrorMsg('Cannot retrieve Grafana info.', error)
  + grafanaLinkOut: undefined
  });
  console.error(error);
  });
  