removed old ntp server

public/ntpstatus.php

@@ -18,9 +18,6 @@ getHeader("NTP Status", "status");
     <a href="https://www.ntppool.org/scores/2001:470:1f14:da8::2">
         <div data-server-ip="2001:470:1f14:da8::2" class="graph"></div>
     </a>
-    <a href="https://www.ntppool.org/scores/2a01:367:c204::17:5b4">
-        <div data-server-ip="2a01:367:c204::17:5b4" class="graph"></div>
-    </a>
     <script type="text/javascript">
         if (!NP) var NP= {};
     </script>