remove empty CtcLossDescriptor in dnn.h
diff --git a/tensorflow/stream_executor/dnn.h b/tensorflow/stream_executor/dnn.h
index 051af88..d092513 100644
--- a/tensorflow/stream_executor/dnn.h
+++ b/tensorflow/stream_executor/dnn.h
@@ -190,13 +190,6 @@
virtual ParamsRegions ParamsBiasRegions() const { return ParamsRegions(); }
};
-// Describes a CTC loss operation.
-class CtcLossDescriptor {
- public:
- CtcLossDescriptor() {}
- ~CtcLossDescriptor() {}
-};
-
// Specifies the sequence in a RNN model.
//
// The user is responsible for releasing this descriptor when it is no longer
