Removed pb demo link

README.md

@@ -1064,7 +1064,7 @@ See https://github.com/n1trux/awesome-sysadmin#monitoring and https://github.com
 - [Paste](https://phpaste.sourceforge.io/) - Paste is forked from the original source pastebin.com used before it was bought. ([Source Code](https://github.com/jordansamuel/PASTE)) `GPL-3.0` `PHP`
 - [pastebin](https://github.com/prologic/pastebin) - Simple pastebin service with convenient api and CLI. ([Demo](https://paste.mills.io)) `MIT` `Go`
 - [Pastebin](https://github.com/ewhal/Pastebin) - Modern self-hosted pastebin service with a restful API. `MIT` `Go`
-- [pb](https://github.com/ptpb/pb) - Lightweight pastebin (and url shortener) built using flask. ([Demo](https://ptpb.pw/)) `GPL-3.0` `Python`
+- [pb](https://github.com/ptpb/pb) - Lightweight pastebin (and url shortener) built using flask. `GPL-3.0` `Python`
 - [pbnh](https://github.com/bhanderson/pbnh) - Pastebin inspired from project pb and hastebin, with an API and a SQL-based backend. `MIT` `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`
 - [SharpPaste](https://github.com/phonicmouse/SharpPaste) - Cross-platform C# pastebin with client-side AES-256 encryption that just works. ([Demo](https://sharppaste.nl/)) `MIT` `C#/NancyFX`