How do I delete or remove unwanted apps

Follow the steps in the user guide entry linked below under "Delete Apps".

click here ➜ Customize the Apple TV Home Screen - Apple Support

Do note, most Apple apps cannot be deleted and will not offer the Delete option when you follow the steps above, but they can be moved into a folder instead to get them out of the way.

Your welcome.

You can offer Apple feedback about it at the following link. click here ➜ Feedback - Apple TV - Apple

Do note however, most of the pre-installed apps take up very little space; less than 100MB each. On a device with 32GB, that's about 0.3% of the space. Not really an issue when 3rd party apps and games can take up hundreds of megabytes or even gigabytes of space.