$ sudo apt-get remove a2jmidid 

Uninstall a2jmidid including dependent package

If you would like to remove a2jmidid and it's dependent packages which are no longer needed from Ubuntu,

$ sudo apt-get remove --auto-remove a2jmidid 

Use Purging a2jmidid

If you use with purge options to a2jmidid package all the configuration and dependent packages will be removed.

$ sudo apt-get purge a2jmidid 

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 a2jmidid 

See Also,