Remove Solicitation from the network

Instead, when a new peer is discovered it is sent a sync message i.e. we
do the full sync when discovering peers

router/service/service.go

@@ -220,42 +220,6 @@ func (s *svc) Process(advert *router.Advert) error {
 	return nil
 }
 
-// Solicit advertise all routes
-func (s *svc) Solicit() error {
-	// list all the routes
-	routes, err := s.table.List()
-	if err != nil {
-		return err
-	}
-
-	// build events to advertise
-	events := make([]*router.Event, len(routes))
-	for i := range events {
-		events[i] = &router.Event{
-			Type:      router.Update,
-			Timestamp: time.Now(),
-			Route:     routes[i],
-		}
-	}
-
-	advert := &router.Advert{
-		Id:        s.opts.Id,
-		Type:      router.RouteUpdate,
-		Timestamp: time.Now(),
-		TTL:       time.Duration(router.DefaultAdvertTTL),
-		Events:    events,
-	}
-
-	select {
-	case s.advertChan <- advert:
-	case <-s.exit:
-		close(s.advertChan)
-		return nil
-	}
-
-	return nil
-}
-
 // Status returns router status
 func (s *svc) Status() router.Status {
 	s.Lock()