getting-started: focus on #general, encourage exploring the space instead of listing rooms

getting-started.md

@@ -132,15 +132,11 @@ privacy, and direction happen on our **Loomio forum**:
   welcome to bring a collaborator or guest, an admin sends the invite rather
   than members handing the space to outsiders directly.
 
-- **#inferencebot-updates** — an automated feed inside the space where the
-  co-op's stewarding bot posts daily updates on infrastructure work: model
-  changes, gateway upgrades, maintenance, and outages. Posts are anonymized
-  (never any member-identifying details) and only the bot and admins can
-  write — it's a read-and-follow channel. Questions go to the main space
-  room.
-
-- **#design** — an open member room for co-op design discussions: website,
-  docs, dashboard, branding. All members can post; pull up a chair.
+- **#general** is the main room — say hello, ask questions, start
+  conversations. Beyond it, the space holds a handful of topical rooms
+  (infrastructure, design, an automated co-op updates feed) — explore the
+  space and join whatever is interesting to you. New rooms appear there as
+  the co-op grows.
 
 - See the [Charter](charter.md) for how governance is structured.
 - See [Open questions](open-questions.md) for the decisions currently on the table.