How do I remove a file or folder in Resources?
Go to Resources.
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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 click 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.