Remove visual noise from svtools

Change-Id: I7c2b74a449fb20aae5bc643e24a22cf6f732136d
Reviewed-on: https://gerrit.libreoffice.org/8320
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>