When you uninstall AiTrillion, then follow the below steps to remove the code from the theme.
Step 1. Login to Shopify Admin.
Step 2. Go to Online Store > Themes > Actions > Edit Code (Live theme).
Step 3. Search the keyword aio and delete all five snippets shown in the screenshot.
aio-script.liquid
aio_loyalty_snippet.liquid
aio_product_recommendation.liquid
aio_reviewform.liquid
aio_reviewlist.liquid
Step 4. Open theme. liquid under Layout
and search for keyword aio and remove all the code associated with this keyword and save the file.
Step 5. Open index. liquid under Templates and search for keyword aio and remove all the code associated with this keyword and save the file.
Step 6. Open product. liquid under Templates and search for keyword aio and remove all the code associated with this keyword and save the file.
Step 7. Open blog. liquid under Templates and search for keyword aio and remove all the code associated with this keyword and save the file.
Step 8. Open cart. liquid under Templates and search for keyword aio and remove all the code associated with this keyword and save the file.
Step 9. Open collection. liquid under Templates and search for keyword aio and remove all the code associated with this keyword and save the file.