message: Remove redundant `Option` when handling `fetched_signatures`
diff: @@ -1413,7 +1413,7 @@ async fn fetch_finality_signatures_by_block_header(
  )
  .await;
  - let maybe_signatures = match fetched_signatures {
  + let signatures = match fetched_signatures {
  Ok(FetchedData::FromStorage { item, .. }) => {
  trace!(
  ?block_header_hash,
  @@ -1430,7 +1430,7 @@ async fn fetch_finality_signatures_by_block_header(
  ?peer,
  "fetched FinalitySignatures from peer"
  );
  - Some(*item)
  + *item
  }
  Err(err) => {
  trace!(
  @@ -1462,10 +1462,7 @@ async fn fetch_finality_signatures_by_block_header(
  trusted_header: block_header.clone(),
  })?;
  - if let Some(signatures) = maybe_signatures {
  - if let Err(err) =
  - consensus::validate_finality_signatures(&signatures, validator_weights)
  - {
  + if let Err(err) = consensus::validate_finality_signatures(&signatures, validator_weights) {
  warn!(
  ?peer,
  ?err,
  @@ -1493,7 +1490,6 @@ async fn fetch_finality_signatures_by_block_header(
  break;
  }
  }
  - }
  ctx.metrics
  .observe_fetch_finality_signatures_duration_seconds(start);
  Ok(sig_collector.into_inner())
  