This is pretty straightforward in a locked-down Settings UI. Checkboxes that add to staging for a bulk "remove" action, a "select all visible" meta-checkbox, a

This is pretty straightforward in a locked-down Settings UI. Checkboxes that add to staging for a bulk "remove" action, a "select all visible" meta-checkbox, a search box to filter the view. Showing full paths might be tough, but you can wrap lines or ellipsize/tooltip if necessary, and rely on search for power users with deep hierarchies. Gmail has had this exact pattern for eons.