Removed rss2twtxt - repository and any alternative unavailable. (#2894)

README.md

@@ -538,7 +538,6 @@ Mailing lists servers and mass mailing software - one message to many recipients
 - [Pleroma](https://pleroma.social) - Federated microblogging server, Mastodon, GNU social, & ActivityPub compatible. ([Source Code](https://git.pleroma.social/pleroma/pleroma)) `AGPL-3.0` `Elixir`
 - [Pump.io](http://pump.io/) - Stream server that does most of what people really want from a social network. ([Source Code](https://github.com/pump-io/pump.io)) `Apache-2.0` `Nodejs`
 - [remark42](https://remark42.com/) - A lightweight and simple comment engine, which doesn't spy on users. It can be embedded into blogs, articles or any other place where readers add comments. ([Demo](https://remark42.com/demo/), [Source Code](https://github.com/umputun/remark42)) `MIT` `Go`
-- [rss2twtxt](https://github.com/jointwt/rss2twtxt) - An RSS/Atom feed aggregator command-line tool and web service that consumes RSS/Atom and produces twtxt.net feeds for consumption by twtxt clients. ([Demo](https://feeds.twtxt.net)) `MIT` `Go`
 - [Satellity](https://satellity.org/) - Yet another open source forum written in Golang, React and PostgreSQL. ([Source Code](https://github.com/satellity/satellity)) `MIT` `Go`
 - [schnack](https://github.com/schn4ck/schnack) - Schnack is simple self-hosted node app for Disqus-like drop-in commenting on static websites. `LIL-1.0` `Node.js`
 - [Scoold](https://scoold.com) - Stack Overflow in a JAR. An enterprise-ready Q&A platform with full-text search, SAML, LDAP integration and social login support. ([Demo](https://live.scoold.com), [Source Code](https://github.com/Erudika/scoold)) `Apache-2.0` `Java`