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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def unlink(self, request, uuid=None):
 """ Unlink all related resources, service project link and service itself. """

        service = self.get_object()
        service.unlink_descendants()
        self.perform_destroy(service)

        return Response(status=status.HTTP_204_NO_CONTENT)