[PATCH 03 of 10] shelve: drop mention of obsshelve file

[Boris Feld]

# HG changeset patch
# User Boris Feld <boris.feld at octobus.net>
# Date 1528238904 -7200
#      Wed Jun 06 00:48:24 2018 +0200
# Node ID 3ecb8506e6cc8e411526d32888b9b4dfbdb40e04
# Parent  748143aab3d4ed04d1837a43a58f8d64e0cf6709
# EXP-Topic internal-phase.shelve
# Available At https://bitbucket.org/octobus/mercurial-devel/
#              hg pull https://bitbucket.org/octobus/mercurial-devel/ -r 3ecb8506e6cc
shelve: drop mention of obsshelve file

Core shelve extension does not use obsolescence, we clean up this unused file
before adding a new info file.

diff --git a/hgext/shelve.py b/hgext/shelve.py
--- a/hgext/shelve.py
+++ b/hgext/shelve.py
@@ -79,7 +79,7 @@ configitem('shelve', 'maxbackups',
 
 backupdir = 'shelve-backup'
 shelvedir = 'shelved'
-shelvefileextensions = ['hg', 'patch', 'oshelve']
+shelvefileextensions = ['hg', 'patch']
 # universal extension is present in all types of shelves
 patchextension = 'patch'