Comment 2 for bug 1801761

For posterity, here's the gist of our IRC discussion about this:

Nobody had any objections to deprecating this functionality, although we should probably socialize that discussion further. Since we can't do a deprecation and removal within this cycle, we are going to fix the problem in oslo.upgradecheck to unblock that work. We can then pursue the oslo.i18n deprecation in a less urgent manner.