change the place of use statement.

Author: ping-yee

system/Helpers/date_helper.php

@@ -1,16 +1,4 @@
 <?php
-
-/**
- * This file is part of CodeIgniter 4 framework.
- *
- * (c) CodeIgniter Foundation <[email protected]>
- *
- * For the full copyright and license information, please view
- * the LICENSE file that was distributed with this source code.
- */
-
-use CodeIgniter\I18n\Time;
-
 /**
  * This file is part of CodeIgniter 4 framework.
  *
@@ -22,6 +10,8 @@
 
 // CodeIgniter Date Helpers
 
+use CodeIgniter\I18n\Time;
+
 if (! function_exists('now')) {
     /**
      * Get "now" time