Austin Butler enjoys doing his own stunts — and sometimes, he pays the physical price. Butler, 34, recalled shooting the iconic ending fight scene in 2019’s Once Upon a Time in Hollywood that ends with his character, Tex Watson, getting his butt kicked by Brad Pitt’s Cliff Booth and his pitbull, Brandy. “In rehearsals, he got me in such a way that he tore my rotator cuff,” the actor told Men’s Health in the Tuesday, August 19, episode of their “…