Replaced Promise with jQuery Deferred - removed irritating error output
Replaced Promise with jQuery Deferred - removed irritating error output

amzn/amazon-payments-magento-2-plugin,Smith-and-Associates/amazon-payments-magento-2-plugin,amzn/amazon-payments-magento-2-plugin,Smith-and-Associates/amazon-payments-magento-2-plugin,Smith-and-Associates/amazon-payments-magento-2-plugin,amzn/amazon-payments-magento-2-plugin