remove beehive (unmaintained since 2021)

- ref. https://github.com/awesome-selfhosted/awesome-selfhosted/issues/2266

README.md

@@ -160,7 +160,6 @@ _Related: [Internet of Things (IoT)](#internet-of-things-iot)_
 - [AmIUnique](https://amiunique.org/) - Learn how identifiable you are on the Internet (browser fingerprinting tool). ([Source Code](https://github.com/DIVERSIFY-project/amiunique)) `MIT` `Java`
 - [Automatisch](https://automatisch.io) - Business automation tool that lets you connect different services like Twitter, Slack, and more to automate your business processes (Open source Zapier alternative). ([Source Code](https://github.com/automatisch/automatisch)) `AGPL-3.0` `Docker`
 - [Baserow](https://baserow.io/) - Open source online database tool and Airtable alternative. Create your own database without technical experience. ([Source Code](https://gitlab.com/bramw/baserow)) `MIT` `Python/Nodejs`
-- [Beehive](https://github.com/muesli/beehive) - Flexible event and agent system, which allows you to create your own agents that perform automated tasks triggered by events and filters. `AGPL-3.0` `Go`
 - [betanin](https://github.com/sentriz/betanin) - Music organization man-in-the-middle of your torrent client and music player. Based on beets.io, similar to Sonarr and Radarr. `GPL-3.0` `Python`
 - [ChiefOnboarding](https://chiefonboarding.com) - Employee onboarding platform that allows you to provision user accounts and create sequences with todo items, resources, text/email/Slack messages, and more! Available as a web portal and Slack bot. ([Source Code](https://github.com/chiefonboarding/ChiefOnboarding)) `AGPL-3.0` `Python`
 - [Datasette](https://datasette.io/) - An open source multi-tool for exploring and publishing data, easy import and export and database management. ([Demo](https://global-power-plants.datasettes.com/global-power-plants/global-power-plants), [Source Code](https://github.com/simonw/datasette)) `Apache-2.0` `Python`