You can uninstall or removes an installed eqonomize package itself from Debian 7 (Wheezy) through the terminal,
$ sudo apt-get remove eqonomize
If you would like to remove eqonomize and it's dependent packages which are no longer needed from Ubuntu,
$ sudo apt-get remove --auto-remove eqonomize
If you use with purge options to eqonomize package all the configuration and dependent packages will be removed.
$ sudo apt-get purge eqonomize
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 eqonomize