remove HiddenPackages type

Author: neptunian

x-pack/plugins/ingest_manager/server/types/index.tsx

@@ -46,7 +46,6 @@ export {
   RegistrySearchResults,
   RegistrySearchResult,
   DefaultPackages,
-  HiddenPackages,
 } from '../../common';
 
 export type CallESAsCurrentUser = ScopedClusterClient['callAsCurrentUser'];