You can uninstall or removes an installed gpgv package itself from Ubuntu 14.04 LTS (Trusty Tahr) through the terminal,
$ sudo apt-get remove gpgv
If you would like to remove gpgv and it's dependent packages which are no longer needed from Ubuntu,
$ sudo apt-get remove --auto-remove gpgv
If you use with purge options to gpgv package all the configuration and dependent packages will be removed.
$ sudo apt-get purge gpgv
If you use purge options along with auto remove, will be removed everything regarding the package, It's really useful when you want to reinstall again.
$ sudo apt-get purge --auto-remove gpgv