title: Remove a tag from a xml using wso2 6.1 Enrich mediator
body: <p>I have the follow xml structure:</p>
  
  <pre><code>&lt;a&gt;
   &lt;b&gt;
     &lt;c&gt;foo&lt;/c&gt;
   &lt;/b&gt;
   &lt;d&gt;foo&lt;/d&gt;
  &lt;/a&gt;
  </code></pre>
  
  <p>and I need to remove the tag <code>&lt;b&gt;</code> from the xml.</p>
  
  <p>So, the xml should be like that, at the end: </p>
  
  <pre><code>&lt;a&gt;
    &lt;d&gt;foo&lt;/d&gt;
  &lt;/a&gt;
  </code></pre>
  
  <p>I've tried to use Enrich Mediator, wso2 6.1, but I didn't have success.</p>
  
  <p>Someone could help to figured out how remove this tag?</p>
  
  <p>Thank you!</p>