To delete a location, go through the following steps: 

Step 1: In the main menu, on the left side, click on Settings. 

Step 2: Choose the Structure Setup option. 

Step 3: Select the edit item "pencil", of the location you want to delete.

Step 4: Select the delete item.

Step 5: You will get a warning saying " Are you sure that you want to delete this location?". Click on the Delete option.

Step 6: Click Save changes.

Step 7: Click Proceed. 

Example of how to delete a location: