By Jacob Leeks Fans of darts wonderkid Luke Littler have slammed the HMRC over their ruthless social media post about the 16-year-old’s tax bill. Littler enjoyed a stunning run at this year’s PDC World Championships, going all the way to the final in what was his debut at Ally Pally. ‘The Nuke’ knocked out world champions Raymond van Barneveld and Rob Cross en route to a stunning showdown for the top prize of £500,000. Sadly, he came up just short in the final, with Luke Humphries producing a brilliant comeback to win 7-4 and lift the Sid Waddell Trophy. Littler still picked up £200,000 in pri…