modify setup.py.in and remove unused code

python/paddle/v2/layer.py

@@ -389,9 +389,6 @@ def recurrent_group(step, input, name=None):
 
     non_static_inputs = filter(lambda x: not isinstance(x, StaticInputV2),
                                input)
-    static_inputs = filter(lambda x: isinstance(x, StaticInputV2), input)
-    static_inputs = [static_input.input for static_input in static_inputs]
-
     actual_input = [
         RecurrentLayerInput(
             recurrent_name=name,

python/setup.py.in

@@ -8,7 +8,8 @@ packages=['paddle',
           'paddle.v2',
           'paddle.v2.dataset',
           'paddle.v2.reader',
-          'paddle.v2.plot']
+          'paddle.v2.plot',
+          'paddle.v2.layers']
 
 setup(name='paddle',
       version='${PADDLE_VERSION}',