If you don't want to use our app then you can simply remove our app from your app store. 

Follow the tutorial to remove the Panda Gallery App=>

A) Go to Admin Panel >> Apps

B) Click on the Delete Icon in the front of Panda Gallery App

Our Panda Gallery App will be removed from your store.

If you have added our gallery code in your store then follow the tutorial => How to remove embed code from store?