By Daniel Leussink and Kantaro Komiya TOKYO (Reuters) -Japan will not send a government delegation to February’s Winter Olympics in Beijing, it said on Friday, a move likely to deepen tension with China. The decision follows a U.S.-led diplomatic boycott of the Games over concerns about human rights in China, although Japan has avoided explicitly labelling its move as such. Japan, while a partner of the United States, also has strong economic ties to China. Tokyo will not send a government delegation to the 2022 Winter Games, but will instead send some officials with direct ties to the Olympic…