“Dropped: Out of form batsman Usman Khawaja has not been awarded a new Australia contract. ©AFP” /> Sydney (AFP) – All-rounder Mitchell Marsh returned to Cricket Australia’s list of 20 nationally contracted players Thursday, but there was no room for his brother Shaun or struggling batsman Usman Khawaja. The older Marsh sibling and Khawaja were among six players axed from a group that selectors loaded with limited-overs talent to reflect Australia’s upcoming schedule, particularly the Twenty20 World Cup scheduled for October-November. “With many of the squad crossing into all three…