Merge pull request #41838 from p-se/grafana-clean-up

monitoring: Clean up Grafana dashboards

Reviewed-by: Alfonso Martínez <almartin@redhat.com>
Reviewed-by: Avan Thakkar <athakkar@redhat.com>
Reviewed-by: Ernesto Puerta <epuertat@redhat.com>
Reviewed-by: jan--f <NOT@FOUND>
Reviewed-by: p-se <NOT@FOUND>
Reviewed-by: Paul Cuzner <pcuzner@redhat.com>

diff --cc monitoring/grafana/dashboards/host-details.json
Simple merge