You can uninstall or removes an installed cgroup-lite package itself from Ubuntu 16.04 LTS (Xenial Xerus) through the terminal,
$ sudo apt-get remove cgroup-lite
If you would like to remove cgroup-lite and it's dependent packages which are no longer needed from Ubuntu,
$ sudo apt-get remove --auto-remove cgroup-lite
If you use with purge options to cgroup-lite package all the configuration and dependent packages will be removed.
$ sudo apt-get purge cgroup-lite
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 cgroup-lite