If you wish to delete a module.
Then select the course you want to edit.
Click 'Edit Course' to start editing course contents.
Once you've done that you'll arrive at the course creation page which looks like this:
Navigate to the module you wish to delete and select the rubbish bin icon:
A popup will appear to confirm that you would like to delete that module. Select 'Yes' and your module will be deleted.
Click Save to store your changes in Member App.