Remove flag allow_override calls

These do not appear to do anything when using flagsaver for testing and
are either commented out or years old. Remove them to reduce complexity
slightly.

Author: boomanaiden154

compiler_opt/rl/imitation_learning/generate_bc_trajectories_test.py

@@ -33,9 +33,6 @@
 from compiler_opt.rl import env
 from compiler_opt.rl import env_test
 
-# flags.FLAGS['gin_files'].allow_override = True
-# flags.FLAGS['gin_bindings'].allow_override = True
-
 _eps = 1e-5
 
 

compiler_opt/tools/generate_default_trace_test.py

@@ -16,7 +16,6 @@
 import os
 from unittest import mock
 
-from absl import flags
 from absl.testing import absltest
 from absl.testing import flagsaver
 import gin
@@ -29,10 +28,6 @@
 
 from tf_agents.system import system_multiprocessing as multiprocessing
 
-flags.FLAGS['num_workers'].allow_override = True
-flags.FLAGS['gin_files'].allow_override = True
-flags.FLAGS['gin_bindings'].allow_override = True
-
 
 @gin.configurable(module='runners')
 class MockCompilationRunner(compilation_runner.CompilationRunner):

compiler_opt/tools/generate_test_model_test.py

@@ -16,17 +16,13 @@
 An integration test for model saving, to detect TFLite model conversion.
 """
 
-from absl import flags
 from absl.testing import absltest
 from absl.testing import flagsaver
 from absl.testing import parameterized
 import gin
 
 from compiler_opt.tools import generate_test_model
 
-flags.FLAGS['gin_files'].allow_override = True
-flags.FLAGS['gin_bindings'].allow_override = True
-
 
 def _get_test_settings():
   test_setting = []