routing: prevent logging the public key params within the routing hints

routing/router.go

@@ -1505,7 +1505,14 @@ type LightningPayment struct {
 func (r *ChannelRouter) SendPayment(payment *LightningPayment) ([32]byte, *Route, error) {
 	log.Tracef("Dispatching route for lightning payment: %v",
 		newLogClosure(func() string {
+			// Remove the public key curve parameters when logging
+			// the route to prevent spamming the logs.
 			payment.Target.Curve = nil
+			for _, routeHint := range payment.RouteHints {
+				for _, hopHint := range routeHint {
+					hopHint.NodeID.Curve = nil
+				}
+			}
 			return spew.Sdump(payment)
 		}),
 	)