Fix SIMULATOR_UUID placeholder leak in wait_for_ui manifest

Remove static nextSteps block from wait_for_ui.yaml that contained
hardcoded SIMULATOR_UUID placeholders. This matches the fix already
applied to snapshot_ui.yaml and aligns with the CHANGELOG entry.

Author: cursoragent

manifests/tools/wait_for_ui.yaml

@@ -9,18 +9,6 @@ outputSchema:
   version: '2'
 routing:
   stateful: true
-nextSteps:
-  - label: Refresh runtime snapshot
-    toolId: snapshot_ui
-    params:
-      simulatorId: SIMULATOR_UUID
-    when: success
-  - label: Wait again
-    toolId: wait_for_ui
-    params:
-      simulatorId: SIMULATOR_UUID
-      predicate: settled
-    when: success
 annotations:
   title: Wait for UI
   readOnlyHint: true