Revert "Merge branch 'tor/feature/interrupt-leaving-pending-review' into 'master'"

What does this MR do and why?

Upon deployment to gitlab.com and real world usage kicked in, the team decided to revert.

See thread for context: !92044 (comment 1070799016)

This MR simply reverts the MR that added this feature.

It is not feature flagged, so we're looking to have it picked into 15.3 release, if possible.

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