fdo#69500: Revert "fix bug #60700 - de-crutify ODF files"

This reverts commit da06166015689eca260c702602bef4cea58afbd3.

Change-Id: I8f88b68a9ab7bd8c95aad90984ddca20e3ca9d13
Reviewed-on: https://gerrit.libreoffice.org/6709
Reviewed-by: Michael Meeks <michael.meeks@collabora.com>
Tested-by: Michael Meeks <michael.meeks@collabora.com>