(1) reduce visibility of stuff nothing is using outside the class (2) remove noise comments Change-Id: Icea829ef92d6121b957ad47a992ef7ac04656af9 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/127324 Tested-by: Jenkins Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>