fix: remove namespace from lang

Author: datamweb

src/Language/en/Tasks.php

@@ -1,7 +1,5 @@
 <?php
 
-namespace CodeIgniter\Tasks\Language\en;
-
 return [
     'invalidTaskType'       => '"{0}" is not a valid type of task.',
     'invalidCronExpression' => '"{0}" is not a valid cron expression.',