Delete a secret item from the secret service.
The item is represented by its D-Bus object path. If you already have a [classItem] proxy objects, use use [method
Item.delete] instead.
This method will return immediately and complete asynchronously.
| this |
the secret service |
| item_path |
the D-Bus path of item to delete |
| cancellable |
optional cancellation object |
| callback |
called when the operation completes |
| user_data |
data to be passed to the callback |