title: hide X and Y axes on charts with n3-line-chart
body: <p>Is it possible to hide X and Y axes on a chart with n3-line-chart? I want to move from this</p>
  
  <p><img src="https://i.stack.imgur.com/mLwXQ.png" alt="enter image description here"></p>
  
  <p>to this</p>
  
  <p><img src="https://i.stack.imgur.com/MuYNI.png" alt="enter image description here"></p>
  
  <p>I took a look to the <a href="http://n3-charts.github.io/line-chart/#/" rel="nofollow noreferrer">main page</a> but I didn't found my answer. I tried not to specify the axes but they are still visible. Hope someone can help me.</p>