[AF-1634] Missed references to debug mode

[hcopperm]

Description

When I rewrote the docs to remove references to test service functionality I forgot to remove references to Debug Mode.

Screenshots

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Jira Ticket

AF-1634

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Before Merging!

• [x] Check staging environment to ensure changes look as intended.
• [ ] Ensure there is a review from DevFoundations and from Community.