Modules, courses, and resources in the library are not deleted but rather archived.
To archive content, go to the Library:
Hover over the title
Click the ellipses icon to the right
Select Archive from the dropdown menu
Here's how to recover archived content:
Click on the Archive tab in the Library
Hover over the title
Click the ellipses icon to the right
Select "Unarchive" from the drop-down
When you archive a Course, Resource, or Check-in that's part of a Module(s):
It will be removed from any Module(s) its part of.
Trainees that completed that Course or Check-in will still see it as part of their completed assignments.
If the assigned Course, Resource, or Check-in has been assigned but is incomplete, the assigned Course, Resource, or Check-in will be removed from their assignments.