Init sync: minor fixes (#8060)

* fixes typo

* simplify code

Author: farazdagi

beacon-chain/sync/initial-sync/blocks_queue_test.go

@@ -1313,7 +1313,7 @@ func TestBlocksQueue_stuckWhenHeadIsSetToOrphanedBlock(t *testing.T) {
 
 	select {
 	case <-time.After(3 * time.Second):
-		t.Fatal("test takes to long to complete")
+		t.Fatal("test takes too long to complete")
 	case data := <-queue.fetchedData:
 		for _, blk := range data.blocks {
 			blkRoot, err := blk.Block.HashTreeRoot()

beacon-chain/sync/initial-sync/round_robin.go

@@ -56,11 +56,7 @@ func (s *Service) roundRobinSync(genesis time.Time) error {
 
 	// Step 2 - sync to head from majority of peers (from no less than MinimumSyncPeers*2 peers)
 	// having the same world view on non-finalized epoch.
-	if err := s.syncToNonFinalizedEpoch(ctx, genesis); err != nil {
-		return err
-	}
-
-	return nil
+	return s.syncToNonFinalizedEpoch(ctx, genesis)
 }
 
 // syncToFinalizedEpoch sync from head to best known finalized epoch.