Football Australia on Friday announced that Graham Arnold was stepping down as coach of the men’s national team in the middle of the World Cup qualifying campaign. The governing body said Arnold would “depart immediately” from the role. The search for his replacement was under way. The Australian men’s team, known as the Socceroos, suffered a shock loss to Bahrain at home earlier in the month which jeopardized their hopes of direct World Cup qualification, a position further worsened by a draw with Indonesia. They are next facing China and Japan in October. Arnold had led the Socceroos since A…