PhalanxTitleBlock: cleanup
BAC-574: fix PHP warning in PhalanxService

PHP Warning: urlencode() expects parameter 1 to be string, object given in /usr/wikia/slot1/code/extensions/wikia/PhalanxII/services/PhalanxService.class.php on line 167

Don't pass whole Language object, language code is enough
Merge pull request #1167 from Wikia/bac-574-phalanx-urlencode-issue

 BAC-574: fix PHP warning in PhalanxService