Always update notes on push

... at least in the sane capability_push mode.
Remove documentation on obsolete push-updates-notes setting.

README.asciidoc

@@ -205,14 +205,6 @@ If somehow your workflow relies on having these in the old place:
 % git config --global remote-hg.show-private-refs true
 --------------------------------------
 
-The `refs/notes/hg` mentioned above that provide info on corresponding hg
-changeset are so far only updated upon a fetch.  If you prefer to have
-these notes as soon as possible, then a push can be made to do some extra
-work on this:
---------------------------------------
-% git config --global remote-hg.push-updates-notes true
---------------------------------------
-
 === Helper Commands ===
 
 Beyond that, a 'git-hg-helper' script has been added that can aid in the git-hg

doc/git-remote-hg.txt

@@ -84,13 +84,6 @@ maintained not so visibly.  If that, however, would be preferred:
 % git config --global remote-hg.show-private-refs true
 --------------------------------------
 
-By default, the refs/notes/hg are not updated upon push, though such can be
-enabled:
-
---------------------------------------
-% git config --global remote-hg.push-updates-notes true
---------------------------------------
-
 NOTES
 -----
 

git-remote-hg

@@ -1573,9 +1573,9 @@ def do_push(parser):
             die('unhandled push command: %s' % (line))
     print
     # at this stage, all external processes are done, marks files written
-    # so we can use those do update notes if so desired
-    if get_config_bool('remote-hg.push-updates-notes') and revs:
-        update_notes(revs, "Update notes on push")
+    # so we can use those to update notes
+    # do so unconditionally because we can and should ....
+    update_notes(revs, "Update notes on push")
 
 def do_option(parser):
     global dry_run, force_push