🎨 Remove hauler manifest; move to `validatorctl`

[TylerGillson]

Summary

• Remove plugin values from validator chart + associated hacks for updating them
• Remove hauler manifest

Acceptance Criteria

Zero dependencies between validator and validator plugins. Hauls will be built from validatorctl instead.

[dosubot]

Hi, @TylerGillson. I'm Dosu, and I'm helping the validator team manage their backlog. I'm marking this issue as stale.

Issue Summary:

• You suggested removing plugin values and related hacks from the validator chart.
• Proposed eliminating the hauler manifest to reduce dependencies between the validator and its plugins.
• Advocated for constructing hauls using validatorctl instead.
• No comments or activities have been made on this issue yet.

Next Steps:

• Please let us know if this issue is still relevant to the latest version of the validator repository by commenting here.
• If there is no further activity, this issue will be automatically closed in 7 days.

Thank you for your understanding and contribution!