To uninstall xgridfit just follow these instructions.
sudo apt-get remove xgridfit
This will remove just the xgridfit package itself.
sudo apt-get remove --auto-remove xgridfit
This will remove the xgridfit package and any other dependant packages which are no longer needed.
If you also want to delete your local/config files for xgridfit then this will work.
sudo apt-get purge xgridfit
Or similarly, like this xgridfit
sudo apt-get purge --auto-remove xgridfit
|Maintainer||Debian Fonts Task Force <email@example.com>|
|Description||program for gridfitting, or "hinting," TrueType fonts|