Glee star Heather Morris has apologised for a series of now-deleted tweets about her co-star Mark Salling.The actress, who played Brittany in the show, shared a statement on Twitter responding to her own series of tweets speaking out against a fan-edited photo of the Glee cast that had put a vomit emoji over Salling’s face.In 2015, Salling was arrested for downloading more than 50,000 images of child pornography and sexualized images of children on his laptop, as well as 4,000 other photos and