Disable trwiki entries for wmgAutopromoteOnceonEdit

Exception from line 202 of /usr/local/apache/common-local/php-1.21wmf10/includes/Autopromote.php: Unrecognized condition APCOND_FR_EDITSUMMARYCOUNT for autopromotion!

Change-Id: I89f507bcc705497e129c92927a3cfd1eea0d1b81