Pointing to deprecated feature

What does this MR do and why?

The page has a link that points to a deprecated feature, specifically, creating clusters on GKE with certificates.

Screenshots or screen recordings

How to set up and validate locally

Just follow the link on this page

MR acceptance checklist

This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.

• I have evaluated the MR acceptance checklist for this MR.