[PATCH 1 of 2] changegroup: remove left-over debugging help

[Martin von Zweigbergk]

# HG changeset patch
# User Martin von Zweigbergk <martinvonz at google.com>
# Date 1452292393 28800
#      Fri Jan 08 14:33:13 2016 -0800
# Node ID b5585dfd2eef186091a25d7f4ff026c73dddc89e
# Parent  76fc5ac23473a25216f9cba2f977d1f56aa9df92
changegroup: remove left-over debugging help

diff --git a/mercurial/changegroup.py b/mercurial/changegroup.py
--- a/mercurial/changegroup.py
+++ b/mercurial/changegroup.py
@@ -298,7 +298,6 @@
         # no new manifest will be created and the manifest group will
         # be empty during the pull
         self.manifestheader()
-        repo.manifest.narrowdebug = repo.ui.warn
         repo.manifest.addgroup(self, revmap, trp)
         repo.ui.progress(_('manifests'), None)