Remove old customer entry when handling mis-match

CRM/Core/Payment/Stripe.php

@@ -149,6 +149,7 @@ class CRM_Core_Payment_Stripe extends CRM_Core_Payment {
         //Store the relationship between CiviCRM's email address for the Contact & Stripe's Customer ID
         if(isset($stripe_customer)) {
           $stripe_customer_id = $stripe_customer->id;
+          $new_customer_insert = "DELETE FROM civicrm_stripe_customers WHERE email = '$email'";
           $new_customer_insert = "INSERT INTO civicrm_stripe_customers (email, id) VALUES ('$email', '$stripe_customer_id')";
           CRM_Core_DAO::executeQuery($new_customer_insert);
         } else {