Remove Tanoshi (the project is archived) (#4082)

- ref. https://github.com/awesome-selfhosted/awesome-selfhosted/issues/3558

README.md

@@ -789,7 +789,6 @@ A [document management system](https://en.wikipedia.org/wiki/Document_management
 - [Mango](https://github.com/getmango/Mango) - Manga server and web reader with a built-in MangaDex downloader. `MIT` `Crystal/Docker`
 - [pyShelf](https://github.com/th3r00t/pyShelf) - Lightweight Ebook Server. `GPL-3.0` `Python`
 - [Stump](https://www.stumpapp.dev) - A fast, free and open source comics, manga and digital book server with OPDS support. ([Source Code](https://github.com/stumpapp/stump)) `MIT` `Rust`
-- [Tanoshi](https://github.com/faldez/tanoshi) - Selfhosted web manga reader with extensions. `MIT` `Rust/Docker`
 - [The Epube](https://tt-rss.org/the-epube) - Self-hosted web EPUB reader using EPUB.js, Bootstrap, and Calibre. ([Source Code](https://git.tt-rss.org/fox/the-epube)) `GPL-3.0` `PHP`