remove redundant params

Author: zylo117

train.py

@@ -44,8 +44,6 @@ def get_args():
     parser.add_argument('--optim', type=str, default='adamw', help='select optimizer for training, '
                                                                    'suggest using \'admaw\' until the'
                                                                    ' very final stage then switch to \'sgd\'')
-    parser.add_argument('--alpha', type=float, default=0.25)
-    parser.add_argument('--gamma', type=float, default=1.5)
     parser.add_argument('--num_epochs', type=int, default=500)
     parser.add_argument('--val_interval', type=int, default=1, help='Number of epoches between valing phases')
     parser.add_argument('--save_interval', type=int, default=500, help='Number of steps between saving')