Bug 14050: Default framework for authorities should not be deletable

Bug 14050: Default framework for authorities should not be deletable

To test:
- Apply patch
- In staff client, go to Home > Administration > Authority types
- Verify that the Actions for the Default type do not contain the delete
  action
- Verify that other types have a delete action

Signed-off-by: Hector Castro <hector.hecaxmmx@gmail.com>
Delete action was eliminated

Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>
Signed-off-by: Kyle M Hall <kyle@bywatersolutions.com>