Rollout PDF to public

Reviewed-by: Tino Schreiber <tino.schreiber@t-systems.com>
Co-authored-by: Sebastian Gode <sebastian.gode@telekom.de>
Co-committed-by: Sebastian Gode <sebastian.gode@telekom.de>

otc_metadata/data/documents/ed-api-ref.yaml

@@ -2,7 +2,7 @@
 link: /enterprise-dashboard/api-ref/
 rst_location: api-ref/source
 pdf_enabled: false
-pdf_environment: hidden
+pdf_environment: public
 service_type: ed
 title: API Reference
 type: api-ref