Remove the link which create leaker issue with copybara (#179)

Author: jyj0w0

docs/observability-prometheus-metrics-in-jetstream-server.md

@@ -80,6 +80,6 @@ echo '{
   }' | kubectl apply -f -
   ```
 
-The metrics can now be queried in the [Google Cloud Metrics Explorer](https://pantheon.corp.google.com/monitoring/metrics-explorer). When adding a metrics query with the `+Add Query` button the new metrics should be found under the `Prometheus Target > Jetstream` submenu.
+The metrics can now be queried in the Google Cloud Metrics Explorer. When adding a metrics query with the `+Add Query` button the new metrics should be found under the `Prometheus Target > Jetstream` submenu.
 
 Additional guides on the metrics explorer can be found [here](https://cloud.google.com/monitoring/charts/metrics-selector).