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/cc-api-ref.yaml

@@ -1,7 +1,7 @@
 ---
 link: /cloud-create/api-ref/
 pdf_enabled: true
-pdf_environment: internal
+pdf_environment: public
 rst_location: api-ref/source
 service_type: cc
 title: API Reference