Remove demo site for fibridge

I'm not running it anymore.

README.md

@@ -743,7 +743,7 @@ See https://github.com/n1trux/awesome-sysadmin#distributed-filesystems
 - [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/gitweb/?p=coquelicot.git)) `AGPL-3.0` `Ruby`
 - [droppy](https://github.com/silverwind/droppy) - droppy is a self-hosted cloud server with an interface similar to desktop file managers and has capabilities to edit files on-the-fly as well as view and playback media directly in the browser. `BSD-2-Clause` `Nodejs`
 - [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. ([Demo](https://fbrg.xyz/)) `MIT` `Rust`
+- [fibridge](https://github.com/anderspitman/fibridge-proxy-rs) - Stream huge files out of your browser without having to upload. `MIT` `Rust`
 - [FileShelter](https://github.com/epoupon/fileshelter) - FileShelter is a self-hosted software that allows you to easily share files over the Internet. ([Demo](http://fileshelter.demo.poupon.io/)) `GPL-3.0` `C++`
 - [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`
 - [goploader](https://gpldr.in/) - Easy file sharing with server-side encryption, curl/httpie/wget compliant. ([Source Code](https://github.com/Depado/goploader)) `MIT` `Go`