Revert "Merge branch '1705-googlebot-badge-block' into 'main'"

What does this MR do and why?

Reverts !4214 (merged) because that MR introduced a problem where product tier badges appear in the ToC.

Screenshots, screen recordings, or links to review app

• Before: https://docs.gitlab.com/ee/update/zero_downtime.html#redis-ha-using-sentinel

• After: https://revert-5427da6b.docs.gitlab-review.app/ee/update/zero_downtime.html#redis-ha-using-sentinel

• Before:

  

• After:

  

Merge request acceptance checklist

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