You can uninstall or removes an installed liblog-dispatch-filerotate-per package itself from Debian 8 (Jessie) through the terminal,
$ sudo apt-get remove liblog-dispatch-filerotate-per
If you would like to remove liblog-dispatch-filerotate-per and it's dependent packages which are no longer needed from Ubuntu,
$ sudo apt-get remove --auto-remove liblog-dispatch-filerotate-per
If you use with purge options to liblog-dispatch-filerotate-per package all the configuration and dependent packages will be removed.
$ sudo apt-get purge liblog-dispatch-filerotate-per
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 liblog-dispatch-filerotate-per