swarm: fix megacheck warnings

swarm/network/hive.go

@@ -355,7 +355,7 @@ func saveSync(record *kademlia.NodeRecord, node kademlia.Node) {
 // sends relevant peer data given by the kademlia hive to the requester
 // TODO: remember peers sent for duration of the session, only new peers sent
 func (self *Hive) peers(req *retrieveRequestMsgData) {
-	if req != nil && req.MaxPeers >= 0 {
+	if req != nil {
 		var addrs []*peerAddr
 		if req.timeout == nil || time.Now().Before(*(req.timeout)) {
 			key := req.Key