Robbie Williams has said he doubts he’ll land another Number One single during his career.The singer, who is promoting his new festive song ‘Can’t Stop Christmas‘, said that he doesn’t think he’s a contender for the Christmas Number One – or any future entries.“I’m not in it, so I think those days for me being in the singles, high in the singles charts, have moved on,” the 46-year-old said in an interview on Smooth Radio’s Virtual Coffee Break earlier this week.He continued: “I’m an albums kind