Remove visual noise from shell

Change-Id: I1857fd7a9aeda38cb8ef2a0eda7783203b7658ed
Reviewed-on: https://gerrit.libreoffice.org/8311
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>