Heart Machine, an indie developer known for games like Hyper Light Drifter and Solar Ash, has laid off most of its staff, according to studio head Alx Preston. Preston took to LinkedIn to share the news that the studio was working on a game that was funded by an unnamed publisher, but after that publisher dropped out this week, Heart Machine didn’t have the resources to keep its staff onboard.Preston doesn’t indicate that the studio will shut down, however, simply…