How to uninstall or remove conkeror-spawn-process-helper software package from Debian 9 (Stretch)

You can uninstall or removes an installed conkeror-spawn-process-helper package itself from Debian 9 (Stretch) through the terminal,

$ sudo apt-get remove conkeror-spawn-process-helper

Uninstall conkeror-spawn-process-helper including dependent package

If you would like to remove conkeror-spawn-process-helper and it's dependent packages which are no longer needed from Ubuntu,

$ sudo apt-get remove --auto-remove conkeror-spawn-process-helper

Use Purging conkeror-spawn-process-helper

If you use with purge options to conkeror-spawn-process-helper package all the configuration and dependent packages will be removed.

$ sudo apt-get purge conkeror-spawn-process-helper

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 conkeror-spawn-process-helper