Remove mention of X-Face, this is not actually supported

Author: gnoack

index.html

@@ -109,7 +109,7 @@ <h2>Why power users pick Mailprint</h2>
 </p></dd>
 <dt>Mailprint is pretty.</dt>
 <dd>
-<p><i>Mailprint</i> integrates with state-of-the-art profile picture sources to display sender pictures, such as <i>X-Face</i> and <a href="https://kinzler.com/ftp/faces/">picon</a>.</p>
+<p><i>Mailprint</i> integrates with state-of-the-art profile picture sources to display sender pictures, such as <a href="https://kinzler.com/ftp/faces/">picon</a>.</p>
 </dd>
 <dt>Mailprint is free.</dt>
 <dd>