Code improvements and fixes (mostly unused variables and methods)

Aleksander Machniak

2014-11-16 9e4246d9571481fe7b80227b1e23dc013771c5af

 program/lib/Roundcube/rcube_charset.php

@@ -175,7 +175,6 @@
        static $iconv_options   = null;
        static $mbstring_list   = null;
        static $mbstring_sch    = null;
        static $conv            = null;

        $to   = empty($to) ? RCUBE_CHARSET : $to;
        $from = self::parse_charset($from);