title: Hide chart title
body: <p>In the below, I'm trying to hide the text "PV Monocrystalline" to provide a bit more room for the number. If i delete the content it still occupies the space and shows <code>&lt;empty&gt;</code> as the title. Is hiding this part of the chart entirely an option?</p>
  
  <p><a href="https://i.stack.imgur.com/OGqhN.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/OGqhN.png" alt="enter image description here"></a></p>