T198557: Remove support for legacy pre-MCR schema

Phabricator Link	T198557
Status	open
Priority	normal (orange)
Author	[1]
Owner	daniel (Daniel Kinzler)
Projects	Multi-Content-Revisions (Tech Debt) Wikidata (incoming) CPT Initiatives (MCR Schema Migration) MW-1.35-release (Deprecate/Remove) Story Patch-For-Review Core Platform Team Workboards (Clinic Duty Team) (Waiting for Review)
Subtasks	T198706: Make BackupDumper, WikiExporter and XmlDumpWriter compliant with the MCR revision retrival mechanism (main slot only)
Parent Tasks	T198492: Create a maintenance script to drop rev_text_id and ar_text_id from the database.
Tags

Related Gerrit Changes:

Change	Subject	Status	Owner	Created	Last Modified	Project
583606	MovePage: Remove pre-MCR code	MERGED	Anomie	26 Mar 2020	26 Mar 2020	mediawiki/core
558581	Remove compat code for pre-MCR schema.	CLOSED	Daniel Kinzler	17 Dec 2019	25 Mar 2020	mediawiki/core
[2]		OK	Error while fetching data from URL https://gerrit.wikimedia.org/r/accounts//detail: $2. There was a problem during the HTTP request: 404 Not Found Could not get URL https://gerrit.wikimedia.org/r/accounts//detail after 3 tries.Daniel Kinzler	21 Nov 2024	21 Nov 2024
[3]		OK	Could not get URL https://gerrit.wikimedia.org/r/accounts//detail after 3 tries.Daniel Kinzler	21 Nov 2024	21 Nov 2024
[4]		MERGED	Could not get URL https://gerrit.wikimedia.org/r/accounts//detail after 3 tries.Daniel Kinzler	21 Nov 2024	21 Nov 2024
[5]		CLOSED	Could not get URL https://gerrit.wikimedia.org/r/accounts//detail after 3 tries.Daniel Kinzler	21 Nov 2024	21 Nov 2024
[6]		OK	Could not get URL https://gerrit.wikimedia.org/r/accounts//detail after 3 tries.Daniel Kinzler	21 Nov 2024	21 Nov 2024
[7]		OK	Could not get URL https://gerrit.wikimedia.org/r/accounts//detail after 3 tries.Daniel Kinzler	21 Nov 2024	21 Nov 2024