[loco] Remove unused member of FeatureEncodeLayer (#7344)

This commit removes unused member '_perm' of FeatureEncodeLayer.

Signed-off-by: Cheongyo Bahk <ch.bahk@samsung.com>

diff --git a/compiler/loco/src/Service/GraphBuilder.h b/compiler/loco/src/Service/GraphBuilder.h
index ba0df4a..4d3decd 100644 (file)
--- a/compiler/loco/src/Service/GraphBuilder.h
+++ b/compiler/loco/src/Service/GraphBuilder.h
@@ -304,9 +304,6 @@ struct FeatureEncodeLayer final
 
     return stdex::make_unique<Return>(encode_node);
   }
-
-private:
-  loco::Permutation<loco::Domain::Feature> _perm;
 };
 
 struct FeatureDecodeLayer final