Remove visual noise from javaunohelper

Change-Id: Ib359d536070456c1ef403642eba7913a834d365d
Reviewed-on: https://gerrit.libreoffice.org/8275
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>