Remove unused code in fixed_policy_test.py. Unfortunately, there is no easy check to prevent this type of failures consistently.
Remove unused code in fixed_policy_test.py.
Unfortunately, there is no easy check to prevent this type
of failures consistently.

PiperOrigin-RevId: 290161608
Change-Id: Iec626b2db4fc0ee9992d29caed6891977fccec59

tensorflow/agents,tensorflow/agents