README: replace IRC with Matrix (#655)

* README: replace IRC with Matrix

* Remove altogether

README.md

@@ -56,8 +56,6 @@ We welcome community contributions to this collection. If you find problems, ple
 
 See [Developing modules for Windows](https://docs.ansible.com/ansible/latest/dev_guide/developing_modules_general_windows.html#developing-modules-general-windows) for specifics on Windows modules.
 
-You can also join us on the ``#ansible-windows`` [libera.chat](https://libera.chat/) IRC channel.
-
 See the [Ansible Community Guide](https://docs.ansible.com/ansible/latest/community/index.html) for details on contributing to Ansible.
 
 

docs/docsite/links.yml

@@ -32,10 +32,6 @@ edit_on_github:
 # Specify communication channels for your collection. We suggest to not specify more
 # than one place for communication per communication tool to avoid confusion.
 communication:
-  matrix_rooms:
-    - topic: General usage and support questions
-      room: '#windows:ansible.im'
-  irc_channels:
-    - topic: General usage and support questions
-      network: Libera
-      channel: '#ansible-windows'
+  forum:
+    - topic: Windows automation usage and support questions
+      url: https://forum.ansible.com/tag/windows