message: Remove duplicate definition of compression_type
diff: @@ -38,7 +38,6 @@ class RecordInputOp : public OpKernel {
  GETATTR(int64, batch_size);
  GETATTR(string, compression_type);
  #undef GETATTR
  - string compression_type;
  ctx->GetAttr("compression_type", &compression_type);
  RecordYielder::Options yopts;
  