[bug 14208] Remove ganglia.
Related to bug 14208.
This merge request remove ganglia's virtual machines from the ref-repo.
GitLab upgrade completed. Current version is 17.10.3. We now benefit from the enhancements of 17.9 and 17.10 releases. Among other improvements, it is now possible to set the automatic deletion of continuous integration pipelines. You can help us reduce storage usage by setting an expiry date for your pipelines.
Related to bug 14208.
This merge request remove ganglia's virtual machines from the ref-repo.