How do I remove a file or folder in Resources?
Go to Resources.
Select the Resources tool from the Tool Menu of your site.
Select one or more items, and then click Move to Trash.
To remove a Resource file or folder, select the item(s) by checking the boxes next to each one to be removed, and then select Move to Trash.
Note: Alternately, if you are removing one item at a time, you may select Move to Trash from the item Actions menu instead.