Remove/move 16 fluid APIs

python/paddle/fluid/evaluator.py

@@ -21,7 +21,6 @@
 from . import unique_name
 from .layer_helper import LayerHelper
 from .initializer import Constant
-from .layers import detection
 
 
 def _clone_var_(block, var):

python/paddle/fluid/layers/__init__.py

@@ -24,8 +24,6 @@
 from .math_op_patch import *
 from . import loss
 from .loss import *
-from . import detection
-from .detection import *
 from .learning_rate_scheduler import *
 from .collective import *
 from .sequence_lod import *
@@ -36,7 +34,6 @@
 __all__ += io.__all__
 __all__ += tensor.__all__
 __all__ += control_flow.__all__
-__all__ += detection.__all__
 __all__ += learning_rate_scheduler.__all__
 __all__ += sequence_lod.__all__
 __all__ += loss.__all__