Remove duplicate binding of dformat.

python_binding/data/pybind_Data.cpp

@@ -60,16 +60,6 @@ void init_Data(py::module& m){
     bindEnum<DataType>(m, "dtype");
     bindEnum<DataFormat>(m, "dformat");
 
-    py::enum_<DataFormat>(m, "dformat")
-    .value("Default", DataFormat::Default)
-    .value("NCHW", DataFormat::NCHW)
-    .value("NHWC", DataFormat::NHWC)
-    .value("CHWN", DataFormat::CHWN)
-    .value("NCDHW", DataFormat::NCDHW)
-    .value("NDHWC", DataFormat::NDHWC)
-    .value("CDHWN", DataFormat::CDHWN)
-    ;
-
     py::class_<Data, std::shared_ptr<Data>>(m,"Data");