Remove Screaming Liquid Tiger (website down) (#3806)

- ref. https://github.com/awesome-selfhosted/awesome-selfhosted/issues/3558
- https://git.herrbischoff.com/screaming-liquid-tiger/ : HTTPSConnectionPool(host='git.herrbischoff.com', port=443): Max retries exceeded with url: /screaming-liquid-tiger/ (Caused by NewConnectionError('<urllib3.connection.HTTPSConnection object at 0x7f66d016f040>: Failed to establish a new connection: [Errno 101] Network is unreachable'))

README.md

@@ -886,7 +886,6 @@ A [news aggregator](https://en.wikipedia.org/wiki/News_aggregator), also termed
 - [RSS Fulltext Proxy](https://github.com/Kombustor/rss-fulltext-proxy) - Mirrors RSS feeds to return the full content of the items, extracted from the website. `MIT` `Nodejs`
 - [RSS Monster](https://github.com/pietheinstrengholt/rssmonster) - RSS Monster is an easy to use web-based RSS aggregator and reader compatible with the Fever API, created as an alternative for Google Reader. `MIT` `PHP`
 - [RSS2EMail](https://github.com/rss2email/rss2email) - Fetches RSS/Atom-feeds and pushes new Content to any email-receiver, supports OPML. `GPL-2.0` `Python`
-- [Screaming Liquid Tiger](https://git.herrbischoff.com/screaming-liquid-tiger/) - Simple script to automatically generate valid RSS and Atom feeds from a list of media files in the same folder. `MIT` `PHP`
 - [Selfoss](https://selfoss.aditu.de/) - New multipurpose rss reader, live stream, mashup, aggregation web application. ([Source Code](https://github.com/fossar/selfoss)) `GPL-3.0` `PHP`
 - [Sismics Reader](https://www.sismics.com/reader/) - Free and open source feeds reader, including all major Google Reader features. ([Demo](https://www.sismics.com/reader/#!/demo), [Source Code](https://github.com/sismics/reader)) `GPL-2.0` `Java`
 - [Stringer](https://github.com/stringer-rss/stringer) - Work-in-progress self-hosted, anti-social RSS reader. `MIT` `Ruby`