feat(tracks): enable remove track again (#168)

Author: tarrencev

pkg/webrtctransport.go

@@ -244,13 +244,12 @@ func (p *WebRTCTransport) NewSender(intrack *webrtc.Track) (Sender, error) {
 	// Create webrtc sender for the peer we are sending track to
 	sender := NewWebRTCSender(p.ctx, outtrack, s)
 
-	// TODO: remove once resolved https://github.com/pion/webrtc/issues/1343
-	// sender.OnClose(func() {
-	// 	err = p.pc.RemoveTrack(s)
-	// 	if err != nil {
-	// 		log.Errorf("Error closing sender: %s", err)
-	// 	}
-	// })
+	sender.OnClose(func() {
+		err = p.pc.RemoveTrack(s)
+		if err != nil {
+			log.Errorf("Error closing sender: %s", err)
+		}
+	})
 
 	return sender, nil
 }