content/en/about/index.md: Update

Author: bzg

content/en/about/index.md

@@ -2,34 +2,20 @@
 title: About
 layout: layouts/page.njk
 permalink: /en/mission/
+eleventyNavigation:
+  key: Free Software unit
+  parent: About
+  order: 1
 ---
 
 *Aller à la page d'accueil [en Français](/fr/mission/).*
 
-# Introduction
-
-This page is the wiki of the free software unit of [Etalab](https://www.etalab.gouv.fr/)/[DINUM](https://www.numerique.gouv.fr/), in charge of the action plan for free software and digital commons for the French public administration.
-
-We publish here various resources about [code.gouv.fr](/en/) and our other products.
-
-# The Free software unit at Etalab/DINUM
+## The Free software unit at Etalab/DINUM
 
 [Read more](https://speakerdeck.com/bluehats/dinum-50b5bb2c-3e6c-4541-a988-b6fafcf446ca) on what is the Free software unit and what we do.
 
-# Free Software guides: using, publishing and contributing
-
-- [\[FR\] Introduction to the catalog of recommended free software](/fr/doc/sill/)
-- [Glossary](/en/doc/glossary/) for [code.gouv.fr](/en/)
-
-# Action plan for Free Software and digital commons
+## Action plan for Free Software and digital commons
 
 You can read the english translation of the French [action plan for Free Software and digital commons](/en/action-plan-for-free-software-and-digital-commons/) (Plan d'action logiciels libres et communs numériques).
 
-# Contribution Policy for Free Software of the State (2018-2021)
-
-- [Contribution Policy for Free Software of the State (2018-2021)](https://man.sr.ht/~codegouvfr/logiciels-libres/archives/pocos/index.en.md)
-
-# License of this document
-
-Contents of this repository are published under the [Open License 2.0](https://spdx.org/licenses/etalab-2.0.html).