remove pagekit (unmaintained since 2020) (#3768)

- ref. https://github.com/awesome-selfhosted/awesome-selfhosted/issues/3558
- WARNING:awesome_lint.py: Pagekit: last updated -1196 days, 9:56:58.109087 ago, older than 365 days

README.md

@@ -692,7 +692,6 @@ _Related: [Blogging Platforms](#blogging-platforms), [Static Site Generators](#s
 - [Neos](https://www.neos.io) - Neos or TYPO3 Neos (for version 1) is a modern, open source CMS. ([Source Code](https://github.com/neos)) `GPL-3.0` `PHP`
 - [Noosfero](https://gitlab.com/noosfero/noosfero) - Noosfero is a web platform for social and solidarity economy networks with blog, e-Portfolios, CMS, RSS, thematic discussion, events agenda and collective intelligence for solidarity economy in the same system. `AGPL-3.0` `Ruby`
 - [Omeka](https://omeka.org) - Create complex narratives and share rich collections, adhering to Dublin Core standards with Omeka on your server, designed for scholars, museums, libraries, archives, and enthusiasts. ([Demo](https://omeka.org/classic/showcase/), [Source Code](https://github.com/omeka/Omeka)) `GPL-3.0` `PHP`
-- [Pagekit](https://pagekit.com/) - New modern CMS to create and share. ([Source Code](https://github.com/pagekit/pagekit)) `MIT` `PHP`
 - [Payload CMS](https://payloadcms.com/) - Developer-first headless CMS and application framework. ([Demo](https://demo.payloadcms.com), [Source Code](https://github.com/payloadcms/payload)) `MIT` `Nodejs`
 - [Pico](https://picocms.org/) - Stupidly simple, blazing fast, flat file CMS. ([Source Code](https://github.com/picocms/Pico)) `MIT` `PHP`
 - [Pimcore](https://www.pimcore.org/) - Multi-Channel Experience and Engagement Management Platform. ([Source Code](https://github.com/pimcore/pimcore)) `GPL-3.0-or-later` `PHP`