fix: Corrige bug de duplicidade de calculo de taxas na fatura

Author: lcsLucas

etc/events.xml

@@ -1,8 +1,5 @@
 <?xml version="1.0"?>
 <config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:Event/etc/events.xsd">
-	<event name="sales_order_invoice_pay">
-		<observer name="ipag_payment_method_observer_credit_invoice" instance="Ipag\Payment\Observer\Sales\SalesOrderInvoicePay" />
-	</event>
 	<event name="sales_order_place_after">
 		<observer name="ipag_payment_method_observer_status" instance="Ipag\Payment\Observer\AddExtraDataToTransport" />
 	</event>