All wikis were switched to desktop history HTML for their mobile sites in T353388.
The old history page can now be safely removed which will address longstanding technical debt requests for example T340158 T312450 and mean the web team no longer maintains code relating to the history page.
# TODO
[] All code relating to SpecialMobileHistory should be removed
[] The `MFUseDesktopSpecialHistoryPage` configuration option should be removed
# QA Steps
[] VisitClicking Special:Historyhistory page in article should redirect totake you to a URL which contains ?action=history
[] After the code is deployed, remove all traces of MFUseDesktopVisiting https://en.m.wikipedia.org/w/index.php?title=Special:HistoryPage in mediawiki configuration./Spain as an anon should redirect to ?action=history
# Sign off
[] Close out T340158 and T312450
[] After the code is deployed, remove all traces of MFUseDesktopSpecialHistoryPage in mediawiki configuration.