To test:
1. Apply patch
2. Set RESTBasicAuth preference to true
3. Get the id of an authority
4. Make a DELETE request to /api/v1/authorities/{authid}
5. Check that the authority was deleted
6. Sign off
Signed-off-by: David Nind <david@davidnind.com>
Signed-off-by: Marcel de Rooy <m.de.rooy@rijksmuseum.nl>
Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>