By removing unnecessary header widget
and shortening the description label.

Change-Id: Id421e49e73ccd8e5932309469698843e1e7e0431
Reviewed-on: https://gerrit.libreoffice.org/26607Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Adolfo Jayme Barrientos <fitojb@ubuntu.com>