Replace www with old in Reddit links to bring back the old layout, as in https://old.reddit.com/r/announcements/comments/nw2hs6/sunsetting_secret_santa_and_redd

Replace www with old in Reddit links to bring back the old layout, as in https://old.reddit.com/r/announcements/comments/nw2hs6/sunsetting_secret_santa_and_reddit_gifts/ https://old.reddit.com/r/announcements/comments/nw2hs6/sunse...