$ sudo apt-get remove flare-data 

Uninstall flare-data including dependent package

If you would like to remove flare-data and it's dependent packages which are no longer needed from Ubuntu,

$ sudo apt-get remove --auto-remove flare-data 

Use Purging flare-data

If you use with purge options to flare-data package all the configuration and dependent packages will be removed.

$ sudo apt-get purge flare-data 

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 flare-data 

See Also,