credits.cgi: Remove hint about used MaxMind database and software.

We do not rely anymore on data and software from this vendor, so
we safely can drop this notice.

Signed-off-by: Stefan Schantl <stefan.schantl@ipfire.org>

html/cgi-bin/credits.cgi

@@ -146,16 +146,6 @@ END
 ;
 &Header::closebox();
 
-&Header::openbox("100%", "left", $Lang::tr{'other'});
-print <<END
-	<p>
-		This product includes GeoLite data created by MaxMind, available from
-		<a href='http://www.maxmind.com/' target="_blank">http://www.maxmind.com/</a>.
-	</p>
-END
-;
-&Header::closebox();
-
 &Header::closebigbox();
 
 &Header::closepage();