outgoing: drop an extraneous URL parse

This was left over from dfb888aae17a.  'branches' wasn't used, and the only
thing parseurl() would do is slice any branch fragment off 'dest'.  But path.loc
and path.pushloc already have the fragment removed.

mercurial/commands.py

@@ -3736,7 +3736,6 b' def outgoing(ui, repo, dest=None, **opts'
 
     if opts.get('bookmarks'):
         dest = path.pushloc or path.loc
-        dest, branches = hg.parseurl(dest, opts.get('branch'))
         other = hg.peer(repo, opts, dest)
         if 'bookmarks' not in other.listkeys('namespaces'):
             ui.warn(_("remote doesn't support bookmarks\n"))