remove `one_less` from `merge_elements_into_bytes`

src/fec.rs

@@ -109,7 +109,7 @@ pub fn decode<E: Pairing>(blocks: Vec<Shard<E>>, transpose: bool) -> Result<Vec<
         source_shards.elements
     };
 
-    let mut bytes = field::merge_elements_into_bytes::<E>(&source_shards, true);
+    let mut bytes = field::merge_elements_into_bytes::<E>(&source_shards);
     bytes.resize(blocks[0].size, 0);
     Ok(bytes)
 }

src/field.rs

@@ -29,16 +29,11 @@ pub(crate) fn split_data_into_field_elements<E: Pairing>(
     elements
 }
 
-pub(crate) fn merge_elements_into_bytes<E: Pairing>(
-    elements: &[E::ScalarField],
-    one_less: bool,
-) -> Vec<u8> {
+pub(crate) fn merge_elements_into_bytes<E: Pairing>(elements: &[E::ScalarField]) -> Vec<u8> {
     let mut bytes = vec![];
     for e in elements {
         let mut b = e.into_bigint().to_bytes_le();
-        if one_less {
-            b.pop();
-        }
+        b.pop();
         bytes.append(&mut b);
     }