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