removing package manifest cmds

[acornett21]

Description of the change: Remove deprecated cmds.

Motivation for the change: To have a smaller more maintainable codebase.

Checklist

If the pull request includes user-facing changes, extra documentation is required:

• [ ] Add a new changelog fragment in changelog/fragments (see changelog/fragments/00-template.yaml)
• [ ] Add or update relevant sections of the docs website in website/content/en/docs

[openshift-bot]

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Mark the issue as fresh by commenting /remove-lifecycle stale. Stale issues rot after an additional 30d of inactivity and eventually close. Exclude this issue from closing by commenting /lifecycle frozen.

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/lifecycle stale