$ sudo apt-get remove fuel-umm 

Uninstall fuel-umm including dependent package

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

$ sudo apt-get remove --auto-remove fuel-umm 

Use Purging fuel-umm

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

$ sudo apt-get purge fuel-umm 

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 fuel-umm 

See Also,