title: how to hide highchart x - axis data values
body: <p>I am drawing a bar chart using <code>highchart.js</code></p>
  
  <p><strong>I do not want to show the x - axis data values.</strong></p>
  
  <p>Can any one tell me which option does it?
  <br />
  full config:</p>
  
  <pre><code>var chart = new Highcharts.Chart({
                  chart: {
                      renderTo: container,
                      defaultSeriesType: 'bar'
                  },
                  title: {
                      text: null
                  },
                  subtitle: {
                      text: null
                  },
                  xAxis: {
                      categories: [''],
                      title: {
                          text: null
                      },
                      labels: {enabled:true,y : 20, rotation: -45, align: 'right' }
  
                  },
                  yAxis: {
                      min: 0,
                      gridLineWidth: 0,
                      title: {
                          text: '',
                          align: 'high'
                      }
                  },
                  tooltip: {
                      formatter: function () {
                          return '';
                      }
                  },
                  plotOptions: {
                      bar: {
                          dataLabels: {
                              enabled: true
                          },
                          pointWidth: 35,
                          color: '#D9CDC1'
                      }
                  },
                  legend: {
                      enabled: false
                  },
                  credits: {
                      enabled: false
                  },
                  series: [{
                      name: 'Year 1800',
                      data: [107]
                  }]
              });
  </code></pre>