Remove visual noise from l10ntools

Change-Id: Ia10056ae9e1b9adfe74f299afac5c3c84fa8cea7
Reviewed-on: https://gerrit.libreoffice.org/8278
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>