$ sudo apt-get remove gpgv2 

Uninstall gpgv2 including dependent package

If you would like to remove gpgv2 and it's dependent packages which are no longer needed from Ubuntu,

$ sudo apt-get remove --auto-remove gpgv2 

Use Purging gpgv2

If you use with purge options to gpgv2 package all the configuration and dependent packages will be removed.

$ sudo apt-get purge gpgv2 

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 gpgv2 

See Also,