itest: update tests with timeout_seconds

Signed-off-by: Nishant Bansal <nishant.bansal.282003@gmail.com>

itest/lnd_trackpayments_test.go

@@ -45,7 +45,6 @@ func testTrackPayments(ht *lntest.HarnessTest) {
 	paymentClient := alice.RPC.SendPayment(
 		&routerrpc.SendPaymentRequest{
 			PaymentRequest: invoice.PaymentRequest,
-			TimeoutSeconds: 60,
 		},
 	)
 
@@ -116,7 +115,6 @@ func testTrackPaymentsCompatible(ht *lntest.HarnessTest) {
 	paymentClient := alice.RPC.SendPayment(
 		&routerrpc.SendPaymentRequest{
 			PaymentRequest: invoice.PaymentRequest,
-			TimeoutSeconds: 60,
 		},
 	)