How to unenroll someone from a training assigned by a Training Plan

Have you ever noticed that you can't just "delete" a training from someone's transcript or unenroll them from a module? 
That is because you have to unenroll someone from a training the same way they were enrolled---Usually through a Training Plan!  
Instructions here for finding out how a training was assigned so you can unenroll someone from it.

Click How to Remove User from Course assigned by Curriculum.pdf link to view the file.