By Jasmine Allday EastEnders fans were quick to complain minutes into the Christmas episode as they fumed ‘it’s not right’. The BBC soap is airing its biggest episode of the year, when one man – or maybe more – dies in a shock twist this Christmas. We know one of The Six – Denise (Diane Parish), Kathy (Gillian Taylforth), Linda (Kellie Bright), Sharon (Letitia Dean), Stacey (Lacey Turner) and Suki (Balvinder Sopal) – will be the killer, but who will it be? The soap has been teasing the person’s identity for months after the flashforward back in February revealed that one man died on Sharon’s w…