remove redundant 'if' in typography helper
diff --git a/system/helpers/typography_helper.php b/system/helpers/typography_helper.php
index 82e686e..d5b52a8 100644
--- a/system/helpers/typography_helper.php
+++ b/system/helpers/typography_helper.php
@@ -83,12 +83,6 @@
 	function entity_decode($str, $charset = NULL)
 	{
 		global $SEC;
-		
-		if (empty($charset))
-		{
-			$charset = config_item('charset');
-		}
-		
 		return $SEC->entity_decode($str, $charset);
 	}
 }