wip: no new required field with crd-schema-checker

[everettraven]

What this PR does / why we need it:

Which issue(s) this PR fixes:

Fixes #

Does this PR introduce a user-facing change?

Additional Notes for your reviewer:

Review Checklist:

• Follows the developer guidelines
• Relevant tests are added or updated
• Relevant docs in this repo added or updated
• Relevant carvel.dev docs added or updated in a separate PR and there's
  a link to that PR
• Code is at least as readable and maintainable as it was before this
  change

Additional documentation e.g., Proposal, usage docs, etc.:

[praveenrewar]

Hey @everettraven 👋🏻 Just checking in, are you still working on this? Or this is not required for now?

[everettraven]

@praveenrewar We can close this PR. I've handed it off to another person and they should have a different PR up in the near future

[praveenrewar]

Cool cool.