You can uninstall or removes an installed buteo-syncfw package itself from Ubuntu 16.10 (Yakkety Yak) through the terminal,
$ sudo apt-get remove buteo-syncfw
If you would like to remove buteo-syncfw and it's dependent packages which are no longer needed from Ubuntu,
$ sudo apt-get remove --auto-remove buteo-syncfw
If you use with purge options to buteo-syncfw package all the configuration and dependent packages will be removed.
$ sudo apt-get purge buteo-syncfw
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 buteo-syncfw