removing obsolete swift api doc

metadata.yaml

@@ -1000,15 +1000,6 @@ categories:
           pdf_name: obs-api-ref
           hc_location: api/obs
           disable_import: false
-        - html_location: docs/obs/api-swift
-          rst_location: doc/swiftapi/source
-          title: API Reference (Swift) - Deprecated - Will be removed at 2023 Nov.
-            10!
-          type: swiftapi
-          link: /object-storage-service/swiftapi/
-          pdf_name: obs-swiftapi
-          hc_location: api_swift/obs
-          disable_import: false
         - html_location: docs/obs/pfs
           rst_location: doc/parallel-file-system/source
           title: Parallel File System (PFS)