remove stikked (unmaintained since 2019) (#3604)

- WARNING:awesome_lint.py: Stikked: last updated -1186 days, 1:25:17.140843 ago, older than 365 days
- ref. https://github.com/awesome-selfhosted/awesome-selfhosted/issues/3558

README.md

@@ -1516,7 +1516,6 @@ A [pastebin](https://en.wikipedia.org/wiki/Pastebin) is a type of online content
 - [SnyPy](https://snypy.com) - Open source on-prem code snippet manager. ([Demo](https://app.snypy.com), [Source Code](https://github.com/snypy)) `MIT` `Docker`
 - [SocksBin](https://github.com/magnumdingusedu/socksbin) - Simple and fast terminal based pastebin, with optional code highlighting. No specific client required, all you need is netcat. `GPL-3.0` `Python`
 - [Spacebin](https://github.com/spacebin-org/spirit) - Text-sharing for the final frontier — Reliable Pastebin server in Golang and Fiber. `Apache-2.0` `Go`
-- [Stikked](https://github.com/claudehohl/Stikked) - Advanced and beautiful pastebin. `GPL-3.0` `PHP`
 - [Sup3rS3cretMes5age](https://github.com/algolia/sup3rS3cretMes5age) - Very simple (to deploy and to use) secret message service using Hashicorp Vault as a secrets storage. `MIT` `Go`
 - [wantguns/bin](https://github.com/wantguns/bin) - Minimal pastebin for both textual and binary files shipped in a single statically linked binary. ([Demo](https://basedbin.fly.dev)) `GPL-3.0` `Rust`
 - [Wastebin](https://github.com/matze/wastebin) - Lightweight, minimal and fast pastebin with an SQLite backend. ([Demo](https://bin.bloerg.net)) `MIT` `Rust`