title: remove inner text from xml node in powershell
body: <p>How can i remove the innertext from an xml object via powershell.</p>
  
  <p>cosider:</p>
  
  <pre><code>&lt;XML&gt;
      &lt;AddServer&gt;win-coll3.astest.org&lt;/AddServer&gt;
    &lt;SERVERS&gt;
      &lt;Server load="119" url="win-coll.astest.org"/&gt;
      &lt;Server load="119" url="win-coll2.astest.org"/&gt;
    &lt;/SERVERS&gt;
  &lt;/XML&gt;
  </code></pre>
  
  <p>I Want to clear out the <code>AddServer</code> section</p>
  
  <p>i tried:
      <code>$FileAsXMLObject.xml.Remove("AddServer")</code> but didnt work</p>
  
  <p>I dont want to delete the section - just cleared out. somesthing like this:</p>
  
  <pre><code>&lt;XML&gt;
      &lt;AddServer&gt; &lt;/AddServer&gt;
    &lt;SERVERS&gt;
      &lt;Server load="119" url="win-coll.astest.org"/&gt;
      &lt;Server load="119" url="win-coll2.astest.org"/&gt;
    &lt;/SERVERS&gt;
  &lt;/XML&gt;
  </code></pre>