Pierre-Yves David <pierre-yves.david@octobus.net> [Sat, 01 May 2021 14:47:39 +0200] rev 47036
revlog: remove the revlogio class
The class only contains a single `parseindex` method. Lets just make it a
function and remove the `revlogio` class. It served us well but became thinner
and thinner overtime.
Differential Revision: https://phab.mercurial-scm.org/D10509