Delete topic slated for removal

doc/administration/monitoring/performance/grafana_configuration.md

@@ -17,9 +17,6 @@ DETAILS:
 series metrics through graphs and dashboards. GitLab writes performance data to Prometheus,
 and Grafana allows you to query the data to display graphs.
 
-WARNING:
-Grafana bundled with GitLab was deprecated GitLab 16.0 and [removed](#grafana-bundled-with-gitlab-removed) in GitLab 16.3.
-
 ## Import GitLab dashboards
 
 You can import a set of default dashboards to start displaying information. GitLab has published a set of default
@@ -66,24 +63,3 @@ configuration screen:
 
 - No scopes appear.
 - The `read_user` scope is included.
-
-<!--- start_remove The following content will be removed on remove_date: '2023-12-22' -->
-
-## Grafana bundled with GitLab (removed)
-
-Grafana bundled with GitLab was an optional service for Linux package installations that provided a user interface to
-GitLab metrics.
-
-The version of Grafana that is bundled with Linux package installations is no longer supported. If you're using the
-Grafana that came bundled with GitLab, you should switch to a newer version from [Grafana Labs](https://grafana.com/grafana/).
-
-### Switch to new Grafana instance
-
-To switch away from bundled Grafana to a newer version of Grafana from Grafana Labs:
-
-1. Set up a version of Grafana from Grafana Labs.
-1. [Export the existing dashboards](https://grafana.com/docs/grafana/latest/dashboards/manage-dashboards/#export-a-dashboard) from bundled Grafana.
-1. [Import the existing dashboards](https://grafana.com/docs/grafana/latest/dashboards/manage-dashboards/#import-a-dashboard) in the new Grafana instance.
-1. [Configure GitLab](#integrate-with-gitlab-ui) to use the new Grafana instance.
-
-<!--- end_remove -->

doc/update/versions/gitlab_16_changes.md

@@ -669,9 +669,8 @@ Specific information applies to Linux package installations:
   Prior to upgrading, administrators of Linux package installations must ensure the installation is using
   [PostgreSQL 13](https://docs.gitlab.com/omnibus/settings/database.html#upgrade-packaged-postgresql-server).
 
-- Grafana that was bundled with GitLab is deprecated and is no longer supported. It is
-  [removed](../../administration/monitoring/performance/grafana_configuration.md#grafana-bundled-with-gitlab-removed) in
-  GitLab 16.3.
+- Grafana that was bundled with GitLab is deprecated and is no longer supported.
+  It is removed in GitLab 16.3.
 - This upgrades `openssh-server` to `1:8.9p1-3`.
 
   Using `ssh-keyscan -t rsa` with older OpenSSH clients to obtain public key information is no longer viable because of