I see your CAP413 and raise you CAP493:
CAP493
Appendix E 3.6
...
OUT(1) This conversation is ended and I expect no response.
OVER(1) My transmission is ended and I expect a response from you.
(1) Not normally used in VHF communications.
...
So yes, they do still exist but aren't required in normal VHF comms. (Incidentally my post above was about the oft misquoted phrase "over AND out" loved so much by fiction, not about the individual phrases "over" and "out".)