Overview:

To be moved to 5.1 epic once there is one.

Do not do this in 5.0!

Must be done before 5.2!

Legacy Helm/manifests support removed.

Acceptance Criteria:

Remove the code in:

• deploy scripts,
• CLI (roxctl * generate),
• central UI and API (/v1/clusters),
• sensor (auto-upgrader),
• related documentation (release notes, docs site, READMEs in the stackrox/stackrox and stackrox/helm-charts repos).