The app can now be safely uninstalled if you don't need it from devices that were upgraded to Android 10.
The app no longer ships on devices that come with Android 10 preinstalled.
Google TV also comes without the app.
The app doesn't appear anymore in the Play Store if you look it up by using the on-screen keyboard or voice search, instead, it only appears when using the Google Assistant or when pressing the Live TV button on remote controls that sport it, that must be a bug Google should address.
I sure hope they don't kill it, it's my primary DVR for OTA channels.