$ sudo apt-get remove easystroke 

Uninstall easystroke including dependent package

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

$ sudo apt-get remove --auto-remove easystroke 

Use Purging easystroke

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

$ sudo apt-get purge easystroke 

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 easystroke 

See Also,