rafthttp: remove unused test Transporter

Signed-off-by: Gyuho Lee <gyuhox@gmail.com>

rafthttp/transport.go

@@ -454,43 +454,3 @@ func (t *Transport) ActivePeers() (cnt int) {
 	}
 	return cnt
 }
-
-type nopTransporter struct{}
-
-func NewNopTransporter() Transporter {
-	return &nopTransporter{}
-}
-
-func (s *nopTransporter) Start() error                        { return nil }
-func (s *nopTransporter) Handler() http.Handler               { return nil }
-func (s *nopTransporter) Send(m []raftpb.Message)             {}
-func (s *nopTransporter) SendSnapshot(m raftsnap.Message)     {}
-func (s *nopTransporter) AddRemote(id types.ID, us []string)  {}
-func (s *nopTransporter) AddPeer(id types.ID, us []string)    {}
-func (s *nopTransporter) RemovePeer(id types.ID)              {}
-func (s *nopTransporter) RemoveAllPeers()                     {}
-func (s *nopTransporter) UpdatePeer(id types.ID, us []string) {}
-func (s *nopTransporter) ActiveSince(id types.ID) time.Time   { return time.Time{} }
-func (s *nopTransporter) ActivePeers() int                    { return 0 }
-func (s *nopTransporter) Stop()                               {}
-func (s *nopTransporter) Pause()                              {}
-func (s *nopTransporter) Resume()                             {}
-
-type snapTransporter struct {
-	nopTransporter
-	snapDoneC chan raftsnap.Message
-	snapDir   string
-}
-
-func NewSnapTransporter(snapDir string) (Transporter, <-chan raftsnap.Message) {
-	ch := make(chan raftsnap.Message, 1)
-	tr := &snapTransporter{snapDoneC: ch, snapDir: snapDir}
-	return tr, ch
-}
-
-func (s *snapTransporter) SendSnapshot(m raftsnap.Message) {
-	ss := raftsnap.New(zap.NewExample(), s.snapDir)
-	ss.SaveDBFrom(m.ReadCloser, m.Snapshot.Metadata.Index+1)
-	m.CloseWithError(nil)
-	s.snapDoneC <- m
-}