Remove real-vnc from items that will be updated
Remove real-vnc from items that will be updated

There is a bug preventing us from uninstalling (and therefore
reinstalling) real-vnc, so we have to skip it.

https://github.com/caskroom/homebrew-cask/issues/32300

paul-nelson-baker/pauls-shellscripts,paul-nelson-baker/pauls-shellscripts