Mac / Win cairo is not built / used, this cairo code can be removed to reduce code bloat. Change-Id: I758d674291e25e0722f5c66a0096295e903786b1 Reviewed-on: https://gerrit.libreoffice.org/16049 Tested-by: Jenkins <ci@libreoffice.org> Reviewed-by: Thorsten Behrens <Thorsten.Behrens@CIB.de>