[PATCH 1 of 4 stable] shelve: remove unused variable assignment

[Mads Kiilerich]

# HG changeset patch
# User Mads Kiilerich <madski at unity3d.com>
# Date 1382995940 -3600
#      Mon Oct 28 22:32:20 2013 +0100
# Branch stable
# Node ID a45cf16389bcf2fb64dd95047bf0357e8313c83c
# Parent  1d7a36ff2615e6e12ce65681db4e07622e7b60d1
shelve: remove unused variable assignment

Fix test-check-pyflakes.t error after 1d7a36ff2615.

diff --git a/hgext/shelve.py b/hgext/shelve.py
--- a/hgext/shelve.py
+++ b/hgext/shelve.py
@@ -532,8 +532,6 @@
     else:
         basename = shelved[0]
 
-    shelvedfiles = readshelvedfiles(repo, basename)
-
     wlock = lock = tr = None
     try:
         lock = repo.lock()