PDF changes for swiss

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/ims-umn.yaml

@@ -2,7 +2,8 @@
 hc_location: usermanual/ims
 html_location: docs/ims/umn
 link: /image-management-service/umn/
-pdf_name: ims-umn
+pdf_enabled: true
+pdf_environment: internal
 rst_location: umn/source
 service_type: ims
 title: User Guide