-Werror,-Wunused-private-field

Change-Id: Ie64ffd691f3528136414bfc67f89881f3c778f1f
Remove visual noise from linguistic

Change-Id: I9ed8b9cf844d9e5909cc87dac1438ec7a54613b8
Reviewed-on: https://gerrit.libreoffice.org/8280
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>