[core] Move log_to_driver back to public (#10422)

python/ray/tune/examples/pbt_transformers/pbt_transformers.py

@@ -106,7 +106,7 @@ def tune_transformer(num_samples=8,
                      gpus_per_trial=0,
                      smoke_test=False,
                      ray_address=None):
-    ray.init(ray_address, _log_to_driver=False)
+    ray.init(ray_address, log_to_driver=False)
     data_dir_name = "./data" if not smoke_test else "./test_data"
     data_dir = os.path.abspath(os.path.join(os.getcwd(), data_dir_name))
     if not os.path.exists(data_dir):

python/ray/tune/tests/test_commands.py

@@ -31,7 +31,7 @@ class Capturing:
 
 @pytest.fixture
 def start_ray():
-    ray.init(_log_to_driver=False, local_mode=True)
+    ray.init(log_to_driver=False, local_mode=True)
     _register_all()
     yield
     ray.shutdown()