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