message: Remove duplicated Log converter
diff: @@ -1862,7 +1862,6 @@ ConverterMapType GetTensorFlowNodeConverterMap() {
  {"Less", ConvertSimpleOperator<TensorFlowLessOperator, 2>},
  {"LessEqual", ConvertSimpleOperator<TensorFlowLessEqualOperator, 2>},
  {"Log", ConvertSimpleOperator<LogOperator, 1>},
  - {"Log", ConvertSimpleOperator<LogOperator, 1>},
  {"LogSoftmax", ConvertSimpleOperator<LogSoftmaxOperator, 1>},
  {"MatMul", ConvertMatMulOperator},
  {"Max", ConvertReduceOperator<TensorFlowMaxOperator>},
  