move october CMS to non-free.md (#3013)

- https://github.com/octobercms/october/blob/develop/LICENSE.md
- fixes #3009

README.md

@@ -659,7 +659,6 @@ _Related: [Blogging Platforms](#blogging-platforms), [Static Site Generators](#s
 - [MODX](https://modx.com/) - MODX is an advanced content management and publishing platform. The current version is called 'Revolution'. ([Source Code](https://github.com/modxcms/revolution)) `GPL-2.0` `PHP`
 - [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`
-- [october](https://octobercms.com/) - Free, open-source, self-hosted CMS platform. ([Source Code](https://github.com/octobercms/october)) `MIT` `PHP`
 - [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`
 - [Pico](https://picocms.org/) - Stupidly simple, blazing fast, flat file CMS. ([Source Code](https://github.com/picocms/Pico)) `MIT` `PHP`