@utilities.arguments_not_none<EOL><INDENT>def unassign_authorization_from_vault(self, authorization_id, vault_id):<DEDENT>
<EOL>mgr = self._get_provider_manager('<STR_LIT>', local=True)<EOL>lookup_session = mgr.get_vault_lookup_session(proxy=self._proxy)<EOL>lookup_session.get_vault(vault_id)  <EOL>self._unassign_object_from_catalog(authorization_id, vault_id)<EOL>
Removes an ``Authorization`` from a ``Vault``.

        arg:    authorization_id (osid.id.Id): the ``Id`` of the
                ``Authorization``
        arg:    vault_id (osid.id.Id): the ``Id`` of the ``Vault``
        raise:  NotFound - ``authorization_id`` or ``vault_id`` not
                found or ``authorization_id`` not assigned to
                ``vault_id``
        raise:  NullArgument - ``authorization_id`` or ``vault_id`` is
                ``null``
        raise:  OperationFailed - unable to complete request
        raise:  PermissionDenied - authorization failure
        *compliance: mandatory -- This method must be implemented.*