$ sudo apt-get remove flip 

Uninstall flip including dependent package

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

$ sudo apt-get remove --auto-remove flip 

Use Purging flip

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

$ sudo apt-get purge flip 

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 flip 

See Also,