This reverts commit 9463550eab.
Reason for revert: The codemaker::UnoType::decompose was previously mostly returning the same OString it receives, so this change is likely a pessimisation
Change-Id: Ie1b41889d0a6af9247b8683075d4edd1163fecc8
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/133492
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>