discovery: quiet note about heads

This was changing output on in/out -v for no good reason.

mercurial/setdiscovery.py

@@ -124,7 +124,7 b' def findcommonheads(ui, local, remote,'
 
     srvheads = dag.internalizeall(srvheadhashes, filterunknown=True)
     if len(srvheads) == len(srvheadhashes):
-        ui.note("all remote heads known locally\n")
+        ui.debug("all remote heads known locally\n")
         return (srvheadhashes, False, srvheadhashes,)
 
     if sample and util.all(yesno):

tests/test-push-warn.t

@@ -127,7 +127,6 b''
   $ hg push -v -r 3 -r 4 ../c
   pushing to ../c
   searching for changes
-  all remote heads known locally
   new remote heads on branch 'default'
   new remote head a5dda829a167
   new remote head ee8fbc7a0295
@@ -138,7 +137,6 b''
   $ hg push -v -f -r 3 -r 4 ../c
   pushing to ../c
   searching for changes
-  all remote heads known locally
   2 changesets found
   adding changesets
   adding manifests