[#152] IR: Process empty basic incomes

If network is not configured for basic income earnings, do not distribute
GAS by the Alphabet nodes.

Signed-off-by: Pavel Karpy <p.karpy@yadro.com>

pkg/innerring/processors/settlement/basic/distribute.go

@@ -12,6 +12,10 @@ func (inc *IncomeSettlementContext) Distribute() {
 	inc.mu.Lock()
 	defer inc.mu.Unlock()
 
+	if inc.noop {
+		return
+	}
+
 	txTable := common.NewTransferTable()
 
 	bankBalance, err := inc.balances.Balance(inc.bankOwner)