highchars 隐藏数据名称

series: [{
    showInLegend: false,   //隐藏数据名称
    name: 'Series',
    colorByPoint: true,
    data: [40, 38, 72, 35, 36, 68, 50, 58, 55],
    labels: {
        borderStyle: 'solid',
        borderColor: '#cccccc'
    }
}]