You can remove the package light-themes in Ubuntu 11.10 to get right of these two themes.
As per the package description:
Light Themes (Ambiance and Radiance)
Includes matching Ambiance and Radiance themes
* Ambiance is a light-on-dark theme
* Radiance is a dark-on-light theme
Introduced as the default themes in Ubuntu 10.04 LTS.
WARNING:
If you remove this package, please do it at your own risk. This will remove the ubuntu-desktop metapackage which is useful for updating from one 11.10 to 12.04
Geeky details:
manish@Blackbeast:~$ aptitude why light-themes
i ubuntu-artwork Depends light-themes
manish@Blackbeast:~$ aptitude why ubuntu-artwork
i ubuntu-desktop Depends ubuntu-artwork
You can remove the package
light-themes
in Ubuntu 11.10 to get right of these two themes.As per the package description:
WARNING:
If you remove this package, please do it at your own risk. This will remove the
ubuntu-desktop
metapackage which is useful for updating from one 11.10 to 12.04Geeky details: