[PATCH 1 of 2 remotenames-ext] remotenames: get rid of useless lookup

[Stanislau Hlebik]

# HG changeset patch
# User Stanislau Hlebik <stash at fb.com>
# Date 1487690067 28800
#      Tue Feb 21 07:14:27 2017 -0800
# Node ID cf04161615a48d42a2bb6181060ae9be8ceaa467
# Parent  4f17d4ae821e7654b3c134002537155b28f7e146
remotenames: get rid of useless lookup

Lookup is useless since `bookmarks` dict already contains nodes for remote
bookmarks

diff --git a/remotenames.py b/remotenames.py
--- a/remotenames.py
+++ b/remotenames.py
@@ -158,8 +158,8 @@
                 if args[0]:
                     heads = args[0]
                 args = args[1:]
-            for bookmark in bookmarks:
-                heads.append(remote.lookup(remotebookmarks[bookmark]))
+            for node in bookmarks.values():
+                heads.append(bin(node))
             kwargs['bookmarks'] = bookmarks
             kwargs['heads'] = heads
     else: