remove linx-server (#3403)

last commit is from almost a year ago, it's unmaintained

README.md

@@ -941,7 +941,6 @@ Simplified file servers for sharing of one-time/short-lived/temporary files, pro
 - [GoSƐ](https://github.com/stv0g/gose) - GoSƐ is a modern file-uploader focusing on scalability and simplicity. It only depends on a S3 storage backend and hence scales horizontally without the need for additional databases or caches. ([Demo](https://gose.0l.de)) `Apache-2.0` `Go`
 - [Jirafeau](https://gitlab.com/mojo42/Jirafeau) - Jirafeau is a web site permitting to upload a file in a simple way and give an unique link to it. ([Demo](https://jirafeau.net/)) `AGPL-3.0` `PHP`
 - [Kleeja](https://kleeja.net/) - File Upload/sharing application, used by thousands of webmasters since 2007. ([Source Code](https://github.com/kleeja-official/kleeja)) `GPL-2.0` `PHP`
-- [linx-server](https://github.com/ZizzyDizzyMC/linx-server) - Simple file sharing and pastebin with API, auto-expiry, deletion keys, and web seed support. ([Demo](https://put.icu/)) `GPL-3.0` `Go`
 - [lufi](https://framagit.org/fiat-tux/hat-softwares/lufi) - Let's Upload that FIle, client-side encrypted. ([Demo](https://demo.lufi.io), [Source Code](https://framagit.org/fiat-tux/hat-softwares/lufi/tree/master)) `AGPL-3.0` `Perl`
 - [OnionShare](https://github.com/onionshare/onionshare) - Securely and anonymously share a file of any size. `GPL-2.0` `Python`
 - [PicoShare](https://pico.rocks) - A minimalist, easy-to-host service for sharing images and other files. ([Demo](https://demo.pico.rocks), [Source Code](https://github.com/mtlynch/picoshare)) `AGPL-3.0` `Go`