remove purritobin demo link (website down/timeout)

README.md

@@ -1183,7 +1183,7 @@ See https://github.com/n1trux/awesome-sysadmin#monitoring and https://github.com
 - [pastebin](https://github.com/mkaczanowski/pastebin) - Simple, fast, feature-rich, standalone pastebin service. `MIT` `Rust`
 - [pb](https://github.com/ptpb/pb) - Lightweight pastebin (and url shortener) built using flask. `GPL-3.0` `Python`
 - [PrivateBin](https://privatebin.info/) - PrivateBin is a minimalist, opensource online pastebin/discussion board where the server has zero knowledge of hosted data. ([Demo](https://privatebin.net/), [Source Code](https://github.com/PrivateBin/PrivateBin)) `Zlib` `PHP`
-- [PurritoBin](https://github.com/PurritoBin/PurritoBin) - Ultra fast, minimalistic, encrypted command line paste-bin, where the server has no knowledge of the paste data. ([Demo](https://bsd.ac/)) `ISC` `C++`
+- [PurritoBin](https://github.com/PurritoBin/PurritoBin) - Ultra fast, minimalistic, encrypted command line paste-bin, where the server has no knowledge of the paste data. `ISC` `C++`
 - [SharpPaste](https://github.com/phonicmouse/SharpPaste) - Cross-platform C# pastebin with client-side AES-256 encryption that just works. `MIT` `C#/NancyFX`
 - [Snibox](https://snibox.github.io/) - Code snippets manager with attractive tag-oriented interface. ([Demo](https://snibox-demo.herokuapp.com/), [Source Code](https://github.com/snibox/snibox)) `MIT` `Ruby`
 - [snipt](https://github.com/nicksergeant/snipt) - Long-term memory for coders. Share and store code snippets. `MIT` `Python`