comment out transfer

ml-agents/mlagents/trainers/learn.py

         run_seed = np.random.randint(0, 10000)
     run_training(run_seed, options)
     
-    if options.behaviors["3DBall"].transfer:
-        os.system('export SCENE_NAME=3dballhard')
-        os.system('mlagents-learn config/ppo_transfer/3DBallHard.yaml --run-id=hardball-transfer --env=/unity-volume/executable --num-envs=4 --force')
+    # if options.behaviors["3DBall"].transfer:
+    #     os.system('export SCENE_NAME=3dballhard')
+    #     os.system('mlagents-learn config/ppo_transfer/3DBallHard.yaml --run-id=hardball-transfer --env=/unity-volume/executable --num-envs=4 --force')
     #     os.system('mlagents-learn config/ppo_transfer/3DBallHard.yaml --run-id=hardball-transfer --env=/unity-volume/3dballhard --num-envs=4 --force')