multi: turn on route blinding by default

lncfg/protocol_integration.go

@@ -62,13 +62,6 @@ type ProtocolOptions struct {
 	NoRouteBlindingOption bool `long:"no-route-blinding" description:"do not forward payments that are a part of a blinded route"`
 }
 
-// DefaultProtocol returns a protocol config with route blinding turned on,
-// so that itests can run against route blinding features even while we've
-// got it turned off for the daemon (pending completion of error handling).
-func DefaultProtocol() *ProtocolOptions {
-	return &ProtocolOptions{}
-}
-
 // Wumbo returns true if lnd should permit the creation and acceptance of wumbo
 // channels.
 func (l *ProtocolOptions) Wumbo() bool {