deleted superfluous controls that didn't exist before conversion

Change-Id: Iba700d79466c24395a6a0b07300cd4190ef03ff7
Reviewed-on: https://gerrit.libreoffice.org/10450
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>