Remove the "Link/LinkTo::CTA" component (03)

[didoo]

📌 Summary

Now that we the Hds::Button can support also links (see #220) there's no more reason to have a Hds::Link::CTA component that is nothing more than a copy of the Hds::Button.

For this reason, we can remove it from the HDS components library.

Notice: at the moment of writing the Hds::Link::CTA component has not been adopted yet in Cloud UI, so there are no needs for refactoring or changes on their side, we can safely remove the component without impacting the consumers.

🛠️ Detailed description

In this PR I have:

• entirely removed Link/LinkTo::CTA from the codebase
  • component
  • documentation
  • tests (integration + percy)

---

👀 How to review

👉 Review by files changed

Reviewer's checklist:

• +1 Percy if applicable

💬 Please consider using conventional comments when reviewing this PR.

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Latest commit: 237e1cb

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[alex-ju]

Nothing seem to have changed since the last review, but I'll approve again, as requested.