I am struggling with the same issue. Can some one post the steps to go and delete the code. I went into the Theme Code and could see other apps there but cannot find Gorgias. Is it under a different name ?
Also I have been playing around and installing several apps and trying things out. The speed of my store has been reduced significantly and I assume it is because the unitsalled apps are leaving snippets behind. How does one ensure that apps are being deleted completely.