Update _includes/footer.html
Update _includes/footer.html

Fixed duplicated Telegram link

Co-authored-by: Andrey Golovin <5aeebf99005e2d68da52a6fde6048c0786ac9b3e@users.noreply.github.com>
osm-ua/openstreetmap.org.ua,osm-ua/openstreetmap.org.ua,osm-ua/openstreetmap.org.ua