multi: update more loggers to the v2 type

lnwallet/chainfee/log.go

@@ -1,7 +1,7 @@
 package chainfee
 
 import (
-	"github.com/btcsuite/btclog"
+	"github.com/btcsuite/btclog/v2"
 	"github.com/lightningnetwork/lnd/build"
 )
 

lnwallet/channel.go

@@ -21,7 +21,7 @@ import (
 	"github.com/btcsuite/btcd/mempool"
 	"github.com/btcsuite/btcd/txscript"
 	"github.com/btcsuite/btcd/wire"
-	"github.com/btcsuite/btclog"
+	"github.com/btcsuite/btclog/v2"
 	"github.com/davecgh/go-spew/spew"
 	"github.com/lightningnetwork/lnd/build"
 	"github.com/lightningnetwork/lnd/chainntnfs"