Strangely I couldn't find any OLS repos, but one server did have an ELS repo, which is strange because all the servers are setup the same way so IDK why the repo is there. Updates for ELS have always been run via the LS control panel, I think I prefer that method too.
On the plus side I did find some more repos to get rid of, like the one server I was testing netdata on still had its repo - don't need that breaking an enhance update some day. I think a quarterly repo check/cleanup is going to have to be added to our SOP, the repos have become too dangerous with Enhance to not keep a close eye on them.