To uninstall gir1.2-mate-desktop just follow these instructions.
/linuxmint/sarah/backport///install/index.html GObject introspection data for the mate-desktop library mate-about program, as well as some desktop-wide documents. Linux Mint 18 introspection 1.14.1-1+sarah
sudo apt-get remove gir1.2-mate-desktop
Which will remove just the gir1.2-mate-desktop package itself.
sudo apt-get remove --auto-remove gir1.2-mate-desktop
This will remove the gir1.2-mate-desktop package and any other dependant packages which are no longer needed.
If you also want to delete your local/config files for gir1.2-mate-desktop then this will work.
sudo apt-get purge gir1.2-mate-desktop
Or similarly, like this gir1.2-mate-desktop
sudo apt-get purge --auto-remove gir1.2-mate-desktop
|Maintainer||MATE Packaging Team |
|Description||GObject introspection data for the mate-desktop library mate-about program, as well as some desktop-wide documents.|