Remove fibridge (unmaintained project) (#2936)

The project has not had any commits since 2019-09-11, except for one in 2021-12-16 which was just removing a dead link to a live demo.

README.md

@@ -891,7 +891,6 @@ _Related: [Groupware](#groupware)_
 - [Chibisafe](https://lolisafe.moe/) - Blazing fast file uploader and awesome bunker written in node. ([Source Code](https://github.com/weebdev/chibisafe)) `MIT` `Nodejs`
 - [Coquelicot](https://coquelicot.potager.org/) - Coquelicot is a “one-click” file sharing web application with a focus on protecting users’ privacy. ([Source Code](https://coquelicot.potager.org/dist/coquelicot-0.9.6.tar.gz)) `AGPL-3.0` `Ruby`
 - [elixire](https://elixi.re) - Simple yet advanced screenshot uploading and link shortening service. ([Source Code](https://gitlab.com/elixire/elixire), [Clients](https://gitlab.com/elixire/elixiremanager)) `AGPL-3.0` `Python`
-- [fibridge](https://github.com/anderspitman/fibridge-proxy-rs) - Stream huge files out of your browser without having to upload. `MIT` `Rust`
 - [Files Sharing](https://github.com/axeloz/filesharing) - Open Source and self-hosted files sharing application based on unique and temporary links. `GPL-3.0` `PHP`
 - [FileShelter](https://github.com/epoupon/fileshelter) - FileShelter is a self-hosted software that allows you to easily share files over the Internet. ([Demo](https://fileshelter.demo.poupon.io/)) `GPL-3.0` `C++`
 - [FireShare](https://github.com/rockmanvnx6/FireShare) - A full-stack, pub-sub, real-time secure file sharing system. ([Demo](https://auspham.dev/FireShare)) `MIT` `Nodejs`