You can follow these steps to uninstall the Discounted Pricing App.
Go to the Apps and Sales channels in your Shopify admin settings.
Click Remove next to the discounted pricing app.
When uninstalling, please leave feedback if you can to help us understand how we can improve our services.
3. Remove the following single line from your theme.liquid file to ensure old code doesn't interfere with your store.
{% include 'appikon-discounts' %}
Additionally there are two files which can be deleted which are only referenced from the above include and won't have any effect on your store once the above line is removed from theme.liquid.
snippets/appikon-discounts.liquid
templates/cart.appikon.json.liquid
If you need further help to uninstall the app, you can contact us for assistance.