title: Remove element from observableArray
body: <p>I'm stuck on "working with lists and collections", and need help finding the error. The delete button is not working.</p>
  
  <p>You can check my souce on <a href="https://codepen.io/syntaxerror00100/pen/bprbOx" rel="nofollow">this codepen</a>.</p>
  
  <pre><code>    code
  </code></pre>