$ sudo apt-get remove flowblade 

Uninstall flowblade including dependent package

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

$ sudo apt-get remove --auto-remove flowblade 

Use Purging flowblade

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

$ sudo apt-get purge flowblade 

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 flowblade 

See Also,