chore: rm example

Author: dgarcia360

docs/integrations/github.mdx

@@ -28,8 +28,6 @@ PushPreview uses OAuth 2.0 authentication to maintain a secure connection with G
 
 The [PushLabsHQ/pushpreview-action](https://github.com/PushLabsHQ/pushpreview-action) facilitates the connection between GitHub and PushPreview, integrating it into your GitHub workflow.
 
-### Example usage
-
 Below is an example of how to use the `push-preview-action` in a workflow:
 
 ```yaml