multi: deprecate batchwindowduration config option

sweep/defaults.go

@@ -1,17 +1,10 @@
 package sweep
 
 import (
-	"time"
-
 	"github.com/lightningnetwork/lnd/lnwallet/chainfee"
 )
 
 var (
-	// DefaultBatchWindowDuration specifies duration of the sweep batch
-	// window. The sweep is held back during the batch window to allow more
-	// inputs to be added and thereby lower the fee per input.
-	DefaultBatchWindowDuration = 30 * time.Second
-
 	// DefaultMaxFeeRate is the default maximum fee rate allowed within the
 	// UtxoSweeper. The current value is equivalent to a fee rate of 1,000
 	// sat/vbyte.