docs(gitaly): remove mention of zfs
What
Remove the role gstg-base-stor-gitaly-zfs
Why
This server/role was decomissioned in https://gitlab.com/gitlab-com/gl-infra/reliability/-/issues/16510 m>
Remove the role gstg-base-stor-gitaly-zfs
This server/role was decomissioned in https://gitlab.com/gitlab-com/gl-infra/reliability/-/issues/16510 m>