Revert "Restore CSRF customizations"

This reverts commit 1d7a414705.

src/usr/local/www/csrf/csrf-magic.php

@@ -13,8 +13,6 @@
  * This library is PHP4 and PHP5 compatible.
  */
 
-include_once('phpsessionmanager.inc');
-
 // CONFIGURATION:
 
 /**
@@ -352,7 +350,7 @@ function csrf_conf($key, $val) {
  */
 function csrf_start() {
     if ($GLOBALS['csrf']['auto-session'] && !session_id()) {
-        phpsession_begin();
+        session_start();
     }
 }