Removing seiyuu connection and sawashiro miyuki. Despite the fact that Mordred and Nightingale share Sawashiro Miyuki as a seiyuu, all of their posts together are more of a parent/child relationship due to Mordred's, Nightingale's, and Artoria Lancer Alter's part in the Journey to the West event.

Really, this applies to all of the posts that are are tagged with florence nightingale (fate/grand order, mordred (fate), and seiyuu connection - none of them actually reference the fact that they have the same seiyuu. So I'll be removing the tags from those as well.