At heart, “Coyote vs. Acme” is a courtroom comedy. Yet there’s a certain way that “Coyote vs. Acme,” next to those cartoons, feels neutered and tame. “Coyote vs. Acme” keeps giving you the feeling that it’s referencing that earlier universe, rather than immersing you in it. “Coyote vs. Acme,” however, is looser and lighter. But you can make a movie like “Coyote vs. Acme,” which melts down anarchy into presentable buddy mishegas.