By Nathan Ridley David Moyes has warned West Ham fans that hurling abuse at Kalvin Phillips will only hinder the midfielder’s chances of turning his disastrous loan spell around. Phillips, who joined from Manchester City in January on a deal until the end of the season, was seen swearing at a group of supporters who called him “useless” and told him to “get out” of their club in the aftermath of Saturday’s dramatic 4-3 loss at Newcastle. The City loanee accidentally tripped Newcastle forward Anthony Gordon to give away a 77th-minute penalty while West Ham were leading 3-1. Alexander Isak duly …