A spiky David Moyes has sounded an embittered warning to his West Ham successor as the end of an era nears for the club. It is looking increasingly likely that David Moyes will be leaving West Ham at the end of the season. A couple of weeks ago a source close to West Ham majority owner David Sullivan told Hammers News that no decision will be made on Moyes’ contract until the end of the season. Yesterday journalist Graeme Bailey reiterated that in an exclusive with Hammer News. He claims Moyes now only has one major backer in the Hammers boardroom. Moye’s contract offer is – as exclusively rev…