remove just-install (archived, unmaintained since 2021)

- https://github.com/just-install/just-install
- ref. #405

README.md

@@ -152,7 +152,6 @@ Managing software on desktop computers.
 _See also: [IT Asset Management](#it-asset-management)_
 
 - [Chocolatey](https://chocolatey.org/) – Windows CLI package manager written in .NET/PS, based on NuGet.
-- [just-install](https://just-install.github.io/) – Python script for downloading and silently installing MSI files.
 - [OCS Inventory NG](https://ocsinventory-ng.org/?lang=en) - Inventory, deployment and network scan.
 - [WAPT](https://dev.tranquil.it/wiki/WAPT_-_apt-get_pour_Windows/en) - Network-wide (un)installation, configuration and upgrades of Windows based software.
 - [WPKG](http://wpkg.org/) - Software deployment, upgrade and removal program for Windows.