docs(wiki): Ralph starts from Session Options only

The welcome screen's "Start Ralph Loop" button is gone (chore/remove-ralph-start-button), and it was the wizard's only entry point, so the page no longer offers the wizard as a second way in.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

docs/wiki/Autonomous-Loops.md

@@ -32,7 +32,7 @@ The shape of it:
 - The loop ends when the agent signals completion, when the iteration cap is reached, or
   when you stop it.
 
-Start it from **Session Options → Ralph / Todo**, or from the wizard on the welcome screen.
+Start it from **Session Options → Ralph / Todo**.
 
 | Setting                | What it does                                                             |
 | ---------------------- | ------------------------------------------------------------------------ |