It’s a credit to 1987’s original “Predator” that 35 years later, we’re still dealing with “Predator” movies at all. Since that musclebound, Schwarzenegger-kissed piece of ’80s action excellence, there have been three follow-ups and two crossover “Alien vs. Predator” entries, and you’d be hard-pressed to remember a single thing about any of them. Now comes “Prey,” which takes the bones of the original “Predator” and sets the story in the 1700s Comanche Nation. It’s a lean take on the “Predator” myth, boiling the story down to its human vs. monster essentials, and if it’s the best entry in the s…