You can uninstall the Outlink app through your Shopify store admin.
- Go to your Shopify admin.
- Go to Apps'. Click on the Apps and sales channel settings.
- A pop-up window will open wherein you will find the list of all the apps. Click on the 'remove' button and then delete.
That's it! The app is now uninstalled.
For detailed instructions check out the Shopify guide to uninstall the app.