config: drop pager from the recommended extension
The extension is deprecated, we should having exposing it to users.
$ hg init $ touch unknown $ touch a $ hg add a $ hg ci -m "1" $ touch b $ hg add b $ hg ci -m "2"Should show unknown $ hg status ? unknown $ hg revert -r 0 --all removing bShould show unknown and b removed $ hg status R b ? unknownShould show a and unknown $ ls a unknown