narrow: update TODO.rst now that we filter status in ctx The comment referred to was addressed in e411774a2e0f (narrow: move status-filtering to core and to ctx, 2018-08-02). I also think 84092edd5c88 (narrow: drop unnecessary overrides of patch, 2018-09-28) suggests that it was the right thing to do. Differential Revision: https://phab.mercurial-scm.org/D4903