Move callback config to core.

Author: yajra

src/resources/config/config.php

@@ -15,12 +15,6 @@
         'id'    => 'dataTableBuilder',
     ],
 
-    /*
-     * Default condition to determine if a parameter is a callback or not.
-     * Callbacks needs to start by those terms or they will be casted to string.
-     */
-    'callback' => ['$', '$.', 'function'],
-
     /*
      * Html builder script template.
      */