If you are going to not be using the Shopify system with PayWhirl or want to stop orders from going to Shopify you can disconnect by following these steps.
1. Log in to Paywhirl at https://paywhirl.com/login
2. Point your browser to https://paywhirl.com/shopify/oauth?force=1 (copy and paste the URL directly in the browser bar)
3. Click "Disconnect to Shopify"
4. Follow the prompts until you are brought back to the PayWhirl website.