docs: remove outdated notable changes

These changes were present in the 2024.1 release.

Author: priteau

doc/source/operations/upgrading-openstack.rst

@@ -74,30 +74,6 @@ should switch to the `native
 <https://prometheus.io/docs/alerting/latest/configuration/#msteams_config>`__
 Prometheus Teams integration.
 
-Keystone LDAP TLS configuration
--------------------------------
-
-Either ``[ldap] tls_cacertfile`` or ``[ldap] tls_cacertdir`` must be configured
-if ``[ldap] use_tls`` is true or LDAP URL uses the ``ldaps://`` scheme. LDAP
-authentication will fail if this configuration is absent. See `upstream
-Keystone change <https://review.opendev.org/c/openstack/keystone/+/833876>`__
-for more details.
-
-OS Capacity exporter and dashboard enabled by default
------------------------------------------------------
-
-The OS Capacity exporter will automatically be deployed after the upgrade.
-During the upgrade, HAProxy config, Prometheus config  and Grafana dashboards
-will also be updated to use the exporter. If you want to disable this, change
-the following in ``kayobe-config/etc/kayobe/stackhpc-monitoring.yml``:
-
-.. code-block:: yaml
-
-   # Whether the OpenStack Capacity exporter is enabled.
-   # Enabling this flag will result in HAProxy configuration and Prometheus scrape
-   # targets being templated during deployment.
-   stackhpc_enable_os_capacity: false
-
 Prometheus blackbox exporter endpoints
 --------------------------------------