[backport#16224 4/5] doc: Do not translate technical or extremely rare errors

Summary:
Backport of Core PR16224 - part 4 of 5
Commit https://github.com/bitcoin/bitcoin/pull/16224/commits/e95e658b8ec6e02229691a1941d688e96d4df6af

Depend on D7997

Test Plan: Proofreading (minor documentation change)

Reviewers: O1 Bitcoin ABC, #bitcoin_abc, deadalnix

Reviewed By: O1 Bitcoin ABC, #bitcoin_abc, deadalnix

Differential Revision: https://reviews.bitcoinabc.org/D7998