By Charlotte Tutton Celebrity Big Brother fans want Louis Walsh out of the house, amid a backlash over comments he made on the ITV series. The housemate has caused drama on the show with his constant digs at and about some of his co-stars, including Fern Britton. His latest targets were David Potts and Bradley Riches, as he angrily shouted about them and their constant singing. Over the past week he has fumed about how loud the duo and others are on the show, and as David sang early in the morning just as the housemates were waking up, Louis had enough. He snapped and told David to shut up rep…