Make StorageClient not warn when deleting a non-existing directory
Make StorageClient not warn when trying to delete a non-existing directory.

I think we should only log a warning if the directory exists and could not be deleted.

Make StorageClient not warn when deleting a non-existing directory: Make StorageClient not warn when trying to delete a non-existing directory.

I think we should only log a warning if the directory exists and could not be deleted.
