I am also bummed it's gone, as I use (used) that function a lot. I used it most often to easily add an extra guest fee when it gets complicated on X number of guests on X nights. I've also used it to charge guests for small things like broken wineglasses, etc.
I find so many of these changes - both on the forums and on the site - to be reactions to something well intended, but badly executed. I myself participated in the new app beta testing a few months ago, so I know that TPTB are trying to involve veteran hosts, but I don't think enough practical testing is happening. It's a "bug test" rather then "does this make sense" test.
Anyhow, we can all add "flexible with new platforms" to our CV's, right?