To uninstall the 99minds Gift Card app from your BigCommerce store, follow the steps as explained below -
Navigate to Apps > My Apps > Uninstall on your BigCommerce Dashboard
Once you have deleted the application, go to Products > View. Select the gift card product that was created when you installed the application and click the Delete icon.
You can also delete the webpage that was created. Go to Storefront > Web Pages. Select the web page that was created and click the Delete icon.
Disabling Gift Certificates Tab on the Store
To disable the gift certificates tab in the store, go to Marketing > Gift Certificates section from the left navigation menu. Uncheck the Enable Gift Certificates checkbox. This will remove the gift certificates tab from the store.