remove whitespace diff

Author: sukunrt

p2p/host/autonat/autonat.go

@@ -120,7 +120,6 @@ func New(h host.Host, options ...Option) (AutoNAT, error) {
 	as.status.Store(autoNATResult{network.ReachabilityUnknown, nil})
 
 	subscriber, err := as.host.EventBus().Subscribe([]interface{}{new(event.EvtLocalAddressesUpdated), new(event.EvtPeerIdentificationCompleted)})
-
 	if err != nil {
 		return nil, err
 	}