ZP-776 Remove obsolete link and function check.

Released under the Affero GNU General Public License (AGPL) version 3.

src/lib/core/zpush.php

@@ -240,8 +240,7 @@ class ZPush {
         Utils::FixFileOwner(LOGERRORFILE);
 
         // set time zone
-        // code contributed by Robert Scheck (rsc) - more information: https://developer.berlios.de/mantis/view.php?id=479
-        if(function_exists("date_default_timezone_set")) {
+        // code contributed by Robert Scheck (rsc)
         if(defined('TIMEZONE') ? constant('TIMEZONE') : false) {
             if (! @date_default_timezone_set(TIMEZONE))
                 throw new FatalMisconfigurationException(sprintf("The configured TIMEZONE '%s' is not valid. Please check supported timezones at http://www.php.net/manual/en/timezones.php", constant('TIMEZONE')));
@@ -249,7 +248,6 @@ class ZPush {
         else if(!ini_get('date.timezone')) {
             date_default_timezone_set('Europe/Amsterdam');
         }
-        }
 
         return true;
     }