The Sims 4 is a bit different from The Sims 3, and I understand it can ruffle some feathers. The game offers a lot of features The Sims 3 didn't have and has the potential to grow a lot more, but I can understand why one would be attached to Sims 3 and its expansive neighborhoods and huge amount of content.
To uninstall a game in Origin, simply right click on the game's tile in Origin and select "Uninstall". If you ever change your mind, the game will be available on your account. 🙂
