Easiest way? Just delete everything manually that has "Spotify" in it. Just search all of your drives and delete everything after you've already uninstalled it using windows or spotify.
The Noctua - NH-U9DXi4 37.8 CFM CPU Cooler may require a separately available mounting adapter to fit the Asus - ROG STRIX X470-I GAMING Mini ITX AM4 Motherboard.