MotherEarth25 Open Options > Game Options > Other, and disable Online Social Features. Quit the game and delete accountDataDB.package, inside Documents > Electronic Arts > The Sims 4. (This file contains data from your interim progress on the tasks but not the rewards you've earned.) When you reload the game, the Reaper icon and everything else that comes with the event should be gone.
This worked for me, though it did glitch out the Discovery Quests at first. I went in and turned them off in the settings and it took me closing them 2 or 3 more times before it finally registered that I had turned them off.
It worked for me, too. I don't do the quests, so my game seemed unaffected by its removal. Thank you so much puzzlezaddict I'm no longer stressing out while playing my game.
