remove unneeded config

config/sac/ur3_config.yml

-# TouchCube:
-#     trainer: sac
-#     hyperparameters:
-#     batch_size: 128
-#     buffer_size: 50000
-#     buffer_init_steps: 0
-#     hidden_units: 128
-#     init_entcoef: 1.0
-#     learning_rate: 3.0e-4
-#     learning_rate_schedule: constant
-#     max_steps: 5.0e5
-#     memory_size: 128
-#     normalize: false
-#     num_update: 1
-#     train_interval: 1
-#     steps_per_update: 1
-#     num_layers: 2
-#     time_horizon: 64
-#     sequence_length: 64
-#     summary_freq: 5000
-#     tau: 0.005
-#     use_recurrent: false
-#     vis_encode_type: simple
-#     reward_signals:
-#         extrinsic:
-#             strength: 1.0
-#             gamma: 0.95
-behaviors:
-  TouchCube:
-    trainer_type: ppo
-    hyperparameters:
-      batch_size: 512 #2048
-      buffer_size: 5120 #20480
-      learning_rate: 0.0003
-      beta: 0.005
-      epsilon: 0.2
-      lambd: 0.95
-      num_epoch: 3
-      learning_rate_schedule: linear
-    network_settings:
-      normalize: true
-      hidden_units: 512
-      num_layers: 3
-      vis_encode_type: simple
-    reward_signals:
-      extrinsic:
-        gamma: 0.995
-        strength: 1.0
-    output_path: default
-    keep_checkpoints: 5
-    max_steps: 20000000
-    time_horizon: 500 #1000
-    summary_freq: 30000
-    threaded: true
-# behaviors:
-#   TouchCube:
-#     trainer_type: sac
-#     hyperparameters:
-#       learning_rate: 0.0003
-#       learning_rate_schedule: constant
-#       batch_size: 256
-#       buffer_size: 500000
-#       buffer_init_steps: 0
-#       tau: 0.005
-#       steps_per_update: 30.0
-#       save_replay_buffer: false
-#       init_entcoef: 1.0
-#       reward_signal_steps_per_update: 30.0
-#     network_settings:
-#       normalize: true
-#       hidden_units: 512
-#       num_layers: 4
-#       vis_encode_type: simple
-#     reward_signals:
-#       extrinsic:
-#         gamma: 0.995
-#         strength: 1.0
-#     output_path: default
-#     keep_checkpoints: 5
-#     max_steps: 20000000
-#     time_horizon: 1000
-#     summary_freq: 30000
-#     threaded: true