Remove unnecessary mut reference in `handle_justification`
@@ -74,7 +74,7 @@ impl ImportResult {
&self,
hash: &B::Hash,
number: NumberFor<B>,
- justification_sync_link: &mut dyn JustificationSyncLink<B>,
+ justification_sync_link: &dyn JustificationSyncLink<B>,
) where
B: BlockT,
{
