The Apple Fifth Avenue store in New York.Photographer: Michael Nagle/BloombergApple Inc. has eliminated dozens of sales roles in a bid to streamline the way it offers products to businesses, schools and governments, marking a rare layoff for the iPhone maker.Management notified the affected workers over the past couple of weeks, according to people familiar with the matter. The cuts extended across the sales organization — hitting some teams especially hard — though the company didn’t tell emplo...