How to uninstall or remove projectcenter.app software package from Ubuntu 14.04 LTS (Trusty Tahr)

You can uninstall or removes an installed projectcenter.app package itself from Ubuntu 14.04 LTS (Trusty Tahr) through the terminal,

$ sudo apt-get remove projectcenter.app

Uninstall projectcenter.app including dependent package

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

$ sudo apt-get remove --auto-remove projectcenter.app

Use Purging projectcenter.app

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

$ sudo apt-get purge projectcenter.app

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 projectcenter.app