update README

paddlepaddle/lib/utils/meter.py

@@ -1,6 +1,3 @@
-##################################################
-# Copyright (c) Xuanyi Dong [GitHub D-X-Y], 2019 #
-##################################################
 import time, sys
 import numpy as np
 

paddlepaddle/lib/utils/time_utils.py

@@ -1,9 +1,3 @@
-# Copyright (c) Facebook, Inc. and its affiliates.
-# All rights reserved.
-#
-# This source code is licensed under the license found in the
-# LICENSE file in the root directory of this source tree.
-#
 import time, sys
 import numpy as np