perf: remove redundant ommers sealing (#2386)

crates/net/downloaders/src/bodies/bodies.rs

@@ -584,11 +584,7 @@ mod tests {
             .map(|block| {
                 (
                     block.hash(),
-                    BlockBody {
-                        transactions: block.body,
-                        ommers: block.ommers.into_iter().map(|header| header.unseal()).collect(),
-                        withdrawals: None,
-                    },
+                    BlockBody { transactions: block.body, ommers: block.ommers, withdrawals: None },
                 )
             })
             .collect::<HashMap<_, _>>();

crates/net/downloaders/src/bodies/request.rs

@@ -165,7 +165,7 @@ where
                 let block = SealedBlock {
                     header: next_header,
                     body: next_body.transactions,
-                    ommers: next_body.ommers.into_iter().map(|h| h.seal_slow()).collect(),
+                    ommers: next_body.ommers,
                     withdrawals: next_body.withdrawals,
                 };
 

crates/net/downloaders/src/bodies/test_utils.rs

@@ -24,7 +24,7 @@ pub(crate) fn zip_blocks<'a>(
                 BlockResponse::Full(SealedBlock {
                     header: header.clone(),
                     body: body.transactions,
-                    ommers: body.ommers.into_iter().map(|o| o.seal_slow()).collect(),
+                    ommers: body.ommers,
                     withdrawals: body.withdrawals,
                 })
             }

crates/net/downloaders/src/test_utils/mod.rs

@@ -28,7 +28,7 @@ pub(crate) fn generate_bodies(
                 block.hash(),
                 BlockBody {
                     transactions: block.body,
-                    ommers: block.ommers.into_iter().map(|header| header.unseal()).collect(),
+                    ommers: block.ommers,
                     withdrawals: block.withdrawals,
                 },
             )