Remove an edge between two resources. Used in the admin.
The edge is either selected with the edge_id argument, or with the combination subject_id + predicate + object_id.
- hide - selector to fade out after unlink
- action - actions executed after unlink
- undo_action - passed on to the undo action template
- edge_template - passed on to the undo action template
- undo_message_id - defaults to unlink-undo-message
After update, an undo message is rendered in the undo_message_id
target, with the template _action_unlink_undo.tpl.