Gavin and Stacey Christmas special set to air on Christmas Eve has been re-edited to omit an offensive slur from the Christmas hit Fairytale of New York following backlash.The BBC will show the 2019 festive special of the much-loved comedy sitcom tonight - but the offensive lyric from the Christmas karaoke scene will be cut out, The Mirror reports.The show stirred up controversy last year when characters Bryn and Nessa – played by Rob Brydon and Ruth Jones - sang the word “f***ot” and amassed a