How do I remove the Impulse theme built-in star badge?
Hello @Meesh1
Go to theme customize → Product page.
on left sidebar you will get option to remove or hide the default inbuilt stars.
Sorry you are facing this issue, it would be my pleasure to help you.
Welcome to the Shopify community! 
Thanks for your good question.
Please share your site URL,
I will check out the issue and provide you a solution here.
@Meesh1 Can you please send me store url.