DOCSP-43955: remove unused files-v6.0-backport (408) (#410)

# Backport

This will backport the following commits from `master` to `v6.0`:
- [DOCSP-43955: remove unused files
(#408)](10gen/docs-ops-manager#408)

<!--- Backport version: 9.6.0 -->

### Questions ?
Please refer to the [Backport tool
documentation](https://github.com/sorenlouv/backport)

Author: jwilliams-mongo