Fix encoding.
5362: remove 'Add this page to WEBNEWS'. Removed 'ADD_THIS_PAGE_TO_WEBNEWS' from lang.php and 'BOOKMARKS_WEBNEWS_TITLE' from map
5361: remove 'Add this page to Yieeha'. Removed 'ADD_THIS_PAGE_TO_YIEEHA' from lang.php and 'BOOKMARKS_YIEEHA_TITLE' from map
5359: Remove not used language keys. Removed 5 not used translations and 2 maps.