remove FreeNAS (discontinued, TrueNAS not Free software anymore) (#2493)

- see https://github.com/awesome-selfhosted/awesome-selfhosted/pull/2364

README.md

@@ -1611,7 +1611,6 @@ _See also [Documentation Generators](#documentation-generators), [Wikimatrix](ht
 - [FLAP](https://www.flap.cloud) - Low maintenance framework to manage self-hosted services. ([Source Code](https://gitlab.com/flap-box/flap)) `AGPL-3.0` `Docker/Shell`
 - [FreedomBone](https://freedombone.net/) - Home server configuration based on Debian. ([Source Code](https://code.freedombone.net/bashrc/freedombone)) `AGPL-3.0` `Shell`
 - [FreedomBox](https://freedomboxfoundation.org/) - Community project to develop, design and promote personal servers running free software for private, personal, communications. ([Source Code](https://salsa.debian.org/freedombox-team/freedombox)) `AGPL-3.0` `Python/Other`
-- [FreeNAS](https://www.freenas.org/) - Network-attached storage (NAS) software based on FreeBSD and the OpenZFS file system. Support for SMB, AFP, NFS, iSCSI, SSH, rsync and FTP/TFTP protocols. Advanced features include full-disk encryption and plug-ins. ([Source Code](https://github.com/freenas/freenas)) `BSD-3-Clause` `Python/Other`
 - [HomelabOS](https://homelabos.com) - Your very own offline-first privacy-centric open-source data-center. Deploy over 100 services with a few commands. ([Source Code](https://gitlab.com/NickBusey/HomelabOS)) `MIT` `Docker`
 - [NextCloudPi](https://nextcloudpi.com/) - Nextcloud preinstalled and preconfigured, with a text and web management interface and all the tools needed to self host private data. With installation images for Raspberry Pi, Odroid, Rock64, Docker, and a curl installer for Armbian/Debian. ([Source Code](https://github.com/nextcloud/nextcloudpi)) `GPL-2.0-or-later` `Bash/PHP`
 - [OpenMediaVault](http://www.openmediavault.org/) - OpenMediaVault is the next generation network attached storage (NAS) solution based on Debian Linux. It contains services like SSH, (S)FTP, SMB/CIFS, DAAP media server, RSync, BitTorrent client and many more. ([Source Code](https://github.com/openmediavault/openmediavault)) `GPL-3.0` `PHP`