Standardize CLAP model card format

[yanamis]

What does this PR do?

This PR updates the CLAP model card to follow the standardized format as requested in #36979.

Before submitting

• This PR fixes a typo or improves the docs (you can dismiss the other checks if that's the case).
• Did you read the contributor guideline,
  Pull Request section?
• Was this discussed/approved via a Github issue or the forum? Please add a link
  to it if that's the case.
• Did you make sure to update the documentation with your changes? Here are the
  documentation guidelines, and
  here are tips on formatting docstrings.
• Did you write any new necessary tests?

Who can review?

@stevhliu

[stevhliu]

Thanks!

[yanamis]

Thanks for reviewing! I applied the requested changes. Let me know if anything else is needed.

[stevhliu]

Thanks, just one more change and then we can merge!

[stevhliu]

Let's also remove this section since its a bit redundant!

[yanamis]

All done, thanks! :)

[HuggingFaceDocBuilderDev]

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