and drop unused E_MACRO_DISABLE enumerator

Change-Id: I0bd706d4d4e1d8b9004e68c9e77c11410c62a64a
Reviewed-on: https://gerrit.libreoffice.org/34067Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>