Eliminate mention of mailing lists

content/contact/_index.md

@@ -23,12 +23,6 @@ Code contributions or translation: [open a pull request](https://github.com/dark
 
 IRC: _irc.oftc.net_, channel _#darktable_ or use the [web interface](https://webchat.oftc.net/?channels=%23darktable)
 
-Mailing lists (last resort, posts by subscribers only):
-
-  * [development mailing list](https://www.mail-archive.com/[email protected]/): subscribe via email to `[email protected]` and unsubscribe via email to `[email protected]` (run by mlmmj).
-  * [user mailing list](https://www.mail-archive.com/[email protected]/): subscribe via email to `[email protected]` and unsubscribe via email to `[email protected]` (run by mlmmj).
-  * [CI mailing list](https://www.mail-archive.com/[email protected]/) (Read-only, messages from automated test builds): `[email protected]` (subscription may not work, mail Johannes directly in that case.) (run by mlmmj).
-
 # Developers / darktable Team
 
 Here are some members of our community: