To uninstall thunderbird-locale-ga-ie just follow these instructions.
sudo apt-get remove thunderbird-locale-ga-ie
This will remove just the thunderbird-locale-ga-ie package itself.
sudo apt-get remove --auto-remove thunderbird-locale-ga-ie
This will remove the thunderbird-locale-ga-ie package and any other dependant packages which are no longer needed.
If you also want to delete your local/config files for thunderbird-locale-ga-ie then this will work.
sudo apt-get purge thunderbird-locale-ga-ie
Or similarly, like this thunderbird-locale-ga-ie
sudo apt-get purge --auto-remove thunderbird-locale-ga-ie
|Maintainer||Ubuntu Mozilla Team <[email protected]>|
|Description||Transitional Irish language pack for Thunderbird|