* remove support for uninstalling old sunset apps
* Add color legend on app removal screen
* Remove legacy app list generator and custom apps file support
Replaced by GUI config export/import, dynamic RemovalMethod, and
CLI app removal settings saved to LastUsedSettings.json.
* Verify app removal by checking actual installation state instead of trusting winget output
Starting from this commit, Win11Debloat will automatically create a registry backup every time the script is run. This registry backup can be used to revert any registry changes made by the script.