removed redundant upload lang file, after lang name changs, it was blocking the CI lang file from loading.  Fixes #473
diff --git a/system/libraries/Upload.php b/system/libraries/Upload.php
index c18c178..0aa6d4c 100644
--- a/system/libraries/Upload.php
+++ b/system/libraries/Upload.php
@@ -937,9 +937,12 @@
 	 */	
 	function display_errors($open = '<p>', $close = '</p>')
 	{
+		$CI =& get_instance();	
+		$CI->lang->load('upload');
 		$str = '';
 		foreach ($this->error_msg as $val)
 		{
+			$str .= '<pre>'.print_r($CI->lang->line($msg), TRUE).'</pre>';
 			$str .= $open.$val.$close;
 		}