Remove unneccessary comments

Change-Id: I939160ae72fecbe3d4a60ce755730bd4c38497fb
Reviewed-on: https://gerrit.libreoffice.org/8182
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>