You can uninstall or removes an installed acpi-call package itself from Debian 9 (Stretch) through the terminal,
$ sudo apt-get remove acpi-call
If you would like to remove acpi-call and it's dependent packages which are no longer needed from Ubuntu,
$ sudo apt-get remove --auto-remove acpi-call
If you use with purge options to acpi-call package all the configuration and dependent packages will be removed.
$ sudo apt-get purge acpi-call
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 acpi-call
I'm very pleased to share my working experience in the Linux field and have posted articles in this website — bits and pieces learned throughout my career.
