$ sudo apt-get remove nano-udeb 

Uninstall nano-udeb including dependent package

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

$ sudo apt-get remove --auto-remove nano-udeb 

Use Purging nano-udeb

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

$ sudo apt-get purge nano-udeb 

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 nano-udeb 

See Also,