To uninstall mate-desktop-environment-extra just follow these instructions.
sudo apt-get remove mate-desktop-environment-extra
This will remove just the mate-desktop-environment-extra package itself.
sudo apt-get remove --auto-remove mate-desktop-environment-extra
This will remove the mate-desktop-environment-extra package and any other dependant packages which are no longer needed.
If you also want to delete your local/config files for mate-desktop-environment-extra then this will work.
sudo apt-get purge mate-desktop-environment-extra
Or similarly, like this mate-desktop-environment-extra
sudo apt-get purge --auto-remove mate-desktop-environment-extra
|Maintainer||MATE Packaging Team <[email protected]>|
|Description||MATE Desktop Environment (extra components, dummy package) intuitive and attractive desktop environment using traditional metaphors for Linux and other Unix-like operating systems.|