Merge pull request #463 from daviddavis/patch-1

Remove libera references from help.md

help.md

@@ -36,16 +36,10 @@ Feel free to ask and answer questions, give feedback about your experience worki
 
 The Pulp community's primary communication channel is Matrix.
 
-We have corresponding Libera.Chat rooms for every Matrix room, so if you use IRC exclusively, you can find us there too.
-
 * Join [**pulp** on Matrix](https://matrix.to/#/!HWvLQmBGVPfJfTQBAu:matrix.org?via=libera.chat&via=matrix.org&via=ctrl-c.liu.se) for User support.
 
 * Join [**#pulp-dev** on Matrix](https://matrix.to/#/!aVApiNMtnstWbwDcVU:matrix.org?via=libera.chat&via=matrix.org&via=ctrl-c.liu.se) for Developer discussion.
 
-### Libera.Chat users
-
-Note that for everything to work well, please [register your nick on Libera.Chat](https://libera.chat/guides/registration).
-
 ## Contribute as a Developer
 
 See the [developers guide](https://docs.pulpproject.org/contributing/index.html) for how