$ sudo apt-get remove fetch-crl 

Uninstall fetch-crl including dependent package

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

$ sudo apt-get remove --auto-remove fetch-crl 

Use Purging fetch-crl

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

$ sudo apt-get purge fetch-crl 

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 fetch-crl 

See Also,