Tyler Rake sounds like a Mad-Libs action hero name. That’s why it’s somewhat surprising that the film built around that wonderfully silly name, “ Extraction,” is entirely sincere and also pretty fun. “Extraction,” on Netflix Friday, is a straightforward shoot-em-up about a jaded mercenary, Mr. Rake, played by Chris Hemsworth, who’s hired to save the 14-year-old son of a drug …
