@Orchid13 You can have as many subfolder as you like in the Sims. If you are interested in cleaning up your CC folder, you may want to download Sims 4 Studio. It lets you look at each object and delete them straight from the program. (The game must be off.)
Sims 4 Studio download and instructions: http://sims4studio.com/board/31/downloading-installing-sims-4-studio You will need to register with the site, but registration is free