By Ben Blanchard BEIJING (Reuters) – A Chinese academic who sat on a government anti-monopoly advisory committee has been sacked, the countrys official news agency Xinhua reported on Wednesday, saying he had taken payments from U.S. chipmaker Qualcomm Inc. Xinhua said Zhang Xinzhu, a member of the top government think-tank the Chinese Academy of Social Sciences and the cabinets anti-monopoly experts committee, took huge rewards from Qualcomm, itself the subject of an antitrust investigation. The news agency did not say specifically what the payments were for. …