rm accuracy and auc in extra __all__ (PaddlePaddle#48986)

Author: sljlp

python/paddle/static/__init__.py

@@ -75,8 +75,8 @@
 from ..fluid.layers import exponential_decay  # noqa: F401
 
 from .nn.common import batch_norm  # noqa: F401
-from paddle.static.nn.metric import auc  # noqa: F401
-from paddle.static.nn.metric import accuracy  # noqa: F401
+from .nn.metric import auc  # noqa: F401
+from .nn.metric import accuracy  # noqa: F401
 
 __all__ = [  # noqa
     'append_backward',

python/paddle/static/nn/metric.py

@@ -22,7 +22,7 @@
 from paddle.fluid.layer_helper import LayerHelper
 from paddle.fluid.layers import tensor
 
-__all__ = ['accuracy', 'auc']
+__all__ = []
 
 
 def accuracy(input, label, k=1, correct=None, total=None):