taobao.fenxiao.product.sku.delete 产品SKU删除接口
        
        根据sku properties删除sku数据

def sku_delete(self, product_id, properties, session):
        '''taobao.fenxiao.product.sku.delete 产品SKU删除接口
        
        根据sku properties删除sku数据'''
        request = TOPRequest('taobao.fenxiao.product.sku.delete')
        request['product_id'] = product_id
        request['properties'] = properties
        self.create(self.execute(request, session), fields=['result','created'], models={'created':TOPDate})
        return self