Remove unused ranges in a test model.
Remove unused ranges in a test model.

PiperOrigin-RevId: 469168585
Change-Id: I50ac9af0e00743f538fe6d42b5c1ac292f4b6e37

deepmind/mujoco,deepmind/mujoco,deepmind/mujoco,deepmind/mujoco,deepmind/mujoco