Revert "Merge branch 'adding-slack-docs-ab' into 'master'"

Marcin Sedlak-Jakubowski (ex-GitLab)requested to merge
revert-8934a846 into master

What does this MR do and why?

Revert docs added in !101707 (merged) because we merged it too soon.

MR acceptance checklist

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

#374994 (closed)

Edited by Marcin Sedlak-Jakubowski (ex-GitLab)

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