Neither a Jordan Peele-produced horror nor a Margot Robbie and Colin Farrell romantic drama were enough to continue the September hot streak at the movies. After back-to-back weekends that had films majorly overperforming, first “The Conjuring: Last Rights” followed by the anime “Demon Slayer: Kimetsu no Yaiba – Infinity Castle,” the North American box office slowed significantly.Overall ticket sales were down nearly 50% from last weekend, with the holdover champion “Demon Slayer” edging out the newcomer “H ...