About 17 senior golfers were on the Stewart Park Golf Course Wednesday with Jim Henry, coordinator of the Stewart Park Senior Golfers. The problem was that on a sunny October day last year there would have been about a dozen more, Henry said. The city faces a serious challenge trying to keep the course open. The course is losing money. In response, the city has halved the course’s maintenance crew from two workers to one, leading to complaints from golfers about poor playing conditions. The City Council on Monday will consider a recommendation by the parks commission that the city …