engineapi: Remove redundant nil check (#11500)

Author: somnathb1

turbo/engineapi/engine_server.go

@@ -212,10 +212,8 @@ func (s *EngineServer) newPayload(ctx context.Context, req *engine_types.Executi
 		requests = append(requests, req.DepositRequests.Requests()...)
 		requests = append(requests, req.WithdrawalRequests.Requests()...)
 		requests = append(requests, req.ConsolidationRequests.Requests()...)
-		if requests != nil {
-			rh := types.DeriveSha(requests)
-			header.RequestsRoot = &rh
-		}
+		rh := types.DeriveSha(requests)
+		header.RequestsRoot = &rh
 	}
 
 	if version <= clparams.CapellaVersion {