KATHMANDU, Nepal — Kanchha Sherpa, the last surviving member of the mountaineering expedition team that first conquered Mount Everest , died early Thursday, according to the Nepal Mountaineering Association. Kanchha died at age 92 at his home in Kapan in the Kathmandu district of Nepal , confirmed Phur Gelje Sherpa, the association president. “He passed away peacefully at his residence,” Phur Gelje Sherpa told The Associated Press, adding that he had been unwell for some time. “A chapter of the