(I'm just building up the knowledge base during 2015. This will be filled in soon. In the meantime, send me an email or use the contact form so I can help)
Perhaps there's a course that's been in your account for ages, and you find that you are no longer interested in it. Maybe it's a different reason entirely. The point is, you want to remove a course from your account altogether. That's okay - here's how to do it! (If you just want to hide the course from your course list, you might want just archive the course.)