'Remove an existing Health Check
:param zone: The healthcheck which has to be removed
:type zone: :class:`AuroraDNSHealthCheck`'

def ex_delete_healthcheck(self, healthcheck):

    self.connection.set_context({'resource': 'healthcheck', 'id': healthcheck.id})
    self.connection.request(('/zones/%s/health_checks/%s' % (healthcheck.zone.id, healthcheck.id)), method='DELETE')
    return True
