title: How to delete nested xml element using qt
body: <p>i have xml file like this</p>
  
  <pre><code>&lt;root&gt;
     &lt;element&gt;
         &lt;child id = "0"&gt; Some Text &lt;/child&gt; &lt;-- Target To Delete
     &lt;/element&gt;
     &lt;element&gt;
         &lt;child id = "1"&gt; Some Text &lt;/child&gt;
     &lt;/element&gt;
  &lt;/root&gt;
  </code></pre>
  
  <p>how can i delete child element of id "0" ? using Qt library.</p>