Adjust credits

OpenPGP-Keychain/src/main/res/raw-de/help_about.html

@@ -15,9 +15,8 @@
 </ul>
 <h2>Entwickler APG 1.x</h2>
 <ul>
-<li>'Thialfihar' (Leitender Entwickler)</li>
+<li>Thialfihar (Leitender Entwickler)</li>
 <li>'Senecaso' (QR-Code, Schlüssel signtieren, Schlüssel hochladen)</li>
-<li>Oliver Runge</li>
 <li>Markus Doits</li>
 </ul>
 <h2>Bibliotheken</h2>