PHOENIX — The contractual buyout on the home-and-home series to avoid coming to one of the nation’s loudest, craziest, wackiest college basketball venues was $150,000. San Diego State opted to play. It paid for not paying. The 79-73 loss Tuesday night at Grand Canyon University will most certainly knock the No. 25 Aztecs from the Associated Press rankings, but the real damage may be in perception. You lost to a WAC team that’s been Division I for only a decade? Coach Brian Dutcher said he wanted to challenge himself with the nonconference schedule, and this might have been the biggest — or per…