json fix

app/design/frontend/Joshine/breeze/Magento_Checkout/templates/success.phtml

@@ -96,7 +96,7 @@ $helper = $objectManager->get('Joshine\GoogleFeed\Helper\GAHelper');
             gtag('event', 'purchase', {
                 "transaction_id": '<?= /* @noEscape */ $block->getOrderId() ?>',
                 "value": '<?= /* @noEscape */ $totalPrice ?>',
-                "currency": '<?= /* @noEscape */ $currency ?>',,
+                "currency": '<?= /* @noEscape */ $currency ?>',
                 "items": <?= json_encode($googleItems, true); ?>
             });