multi: remove dead code

peer.go

@@ -30,10 +30,6 @@ import (
 	"github.com/lightningnetwork/lnd/ticker"
 )
 
-var (
-	numNodes int32
-)
-
 const (
 	// pingInterval is the interval at which ping messages are sent.
 	pingInterval = 1 * time.Minute
@@ -82,12 +78,6 @@ type closeMsg struct {
 	msg lnwire.Message
 }
 
-// chanSnapshotReq is a message sent by outside subsystems to a peer in order
-// to gain a snapshot of the peer's currently active channels.
-type chanSnapshotReq struct {
-	resp chan []*channeldb.ChannelSnapshot
-}
-
 // pendingUpdate describes the pending state of a closing channel.
 type pendingUpdate struct {
 	Txid        []byte
@@ -717,7 +707,6 @@ type msgStream struct {
 
 	mtx sync.Mutex
 
-	bufSize      uint32
 	producerSema chan struct{}
 
 	wg   sync.WaitGroup