tests/test-revlog-ancestry.py.out

pushkey: do not exchange obsole markers if feature is disabled

This apply to both push and pull both when client or server.

Ancestors of 5
4 2 0 
Ancestors of 6 and 5
3 4 2 1 0 
Ancestors of 5 and 4
4 2 0 
Ancestors of 7, stop at 6
6 

Descendants of 5
7 8 
Descendants of 5 and 3
6 7 8 
Descendants of 5 and 4
5 7 8