'Destroy a load balancer.
For GCE, this means destroying the associated forwarding rule, then
destroying the target pool that was attached to the forwarding rule.
:param  balancer: LoadBalancer which should be used
:type   balancer: :class:`LoadBalancer`
:return:  True if successful
:rtype:   ``bool``'

def destroy_balancer(self, balancer):

    destroy = balancer.extra['forwarding_rule'].destroy()
    if destroy:
        tp_destroy = balancer.extra['targetpool'].destroy()
        return tp_destroy
    else:
        return destroy
