[sudo-sys] disabled IPV6 on the omni router

I was recommended to turn off IPV6 on the router by someone who knows a lot more about this stuff than I do. I followed the instructions here and it seems to have worked: https://techdocs.broadcom.com/us/en/ca-enterprise-software/it-operations-ma… note that on Tuesday Bill noticed that he couldn't access the web scripts to buzz the doors open, and we traced it to IPV6. We logged into digitalocean and removed the IPV6 record for room.sudoroom.org -jake