This reverts commit 383a4f883d.
Now that we know that making fields has negative side effects
like disabling assignment operator generation.
Change-Id: I9fc04024b12a977481d010950244cff05e18bd74
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/90368
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>