Align internal documentation and maintained examples

docs/config.md

@@ -274,10 +274,6 @@ Audio rules:
 
 ## Maintained Examples
 
-- `examples/pipeline.minimal.yml`
-- `examples/pipeline.production.yml`
-- `examples/pipeline.full.annotated.yml`
-- `examples/campaigns/sample-campaign/campaign.yml`
-- `examples/session.local-audio.yml`
-- `examples/session.s3-audio.yml`
-- `examples/session.template.yml`
+See the [maintained examples index](../examples/README.md) for complete pipeline,
+campaign, session, template, and input fixtures. Keep complete copyable files
+there rather than duplicating them in this reference.