https://forums.ankiweb.net/t/anki-2-1-41-beta/7305/59
When originally implemented in 21023ed3e5,
a given deck's limit was bound by its parents. This lead to a deck list
that seemed more logical in the parent limit < child limit case, as
child counts couldn't exceed a parent's, but it obscured the fact that
child decks could still be clicked on to show cards. And in the parent
limit > child limit case, the count shown for the child on the deck list
did not reflect how many cards were actually available and would be
delivered.
This change updates the reviewer to ignore parent limits when getting
review counts for the deck, which makes the behaviour consistent with
the deck list, which was recently changed to ignore parent limits.
Neither solution is ideal - this was a tradeoff v2 made in order to keep
fetching of review cards from multiple decks reasonably performant. The
experimental scheduling work moves back to respecting limits on
individual children, so this should hopefully improve in the future.
Also removed _revForDeck(), which was unused.
5f9792392a