Update tox.ini && conf.py file

Performed-by: gitea/infra/otc-metadata/tools/generate_doc_confpy.py

doc/source/conf.py

@@ -41,7 +41,6 @@ otcdocs_doc_type = ''
 otcdocs_service_category = 'other'
 otcdocs_service_title = 'Regions and Endpoints'
 otcdocs_service_type = 'rae'
-otcdocs_service_environment = 'internal'
 otcdocs_cloud_environment = 'eu_de'
 otcdocs_search_environment = 'hc_de'
 otcdocs_search_index = 'search_index_de'