You can uninstall or removes an installed libglobus-authz-callout-error0 package itself from Ubuntu 14.04 LTS (Trusty Tahr) through the terminal,
$ sudo apt-get remove libglobus-authz-callout-error0
If you would like to remove libglobus-authz-callout-error0 and it's dependent packages which are no longer needed from Ubuntu,
$ sudo apt-get remove --auto-remove libglobus-authz-callout-error0
If you use with purge options to libglobus-authz-callout-error0 package all the configuration and dependent packages will be removed.
$ sudo apt-get purge libglobus-authz-callout-error0
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 libglobus-authz-callout-error0