It’s a topic that just won’t go away: the PGA Tour’s schedule.  This week, there’s a lot of chatter about who’s not playing the Cadillac Championship (five of the top 15 players in the world, including Rory McIlroy ). The $20 million signature event, which, without a 36-hole cut, guarantees players a payday. However, it’s sandwiched in a part of the schedule where two majors and three signature events are being played in a six-week span.  Still, world No. 1 Scottie Scheffler is teeing it up this week; though, he has opted not to play next week’s signature Truist Championship at Quail Hollow, where Scheffler won the PGA Championship last year. This year’s PGA Championship at Aronimink follows the Truist.  How does Scheffler feel about the current schedule structure? “If I had it my way, I would play every single week out here,” he said. “But just the nature of our sport and the demand on our time and everything, it’s not really possible.…