[PATCH] util: fix doc for datestr()

[Adrian Buehlmann]

# HG changeset patch
# User Adrian Buehlmann <adrian at cadifra.com>
# Date 1460146506 -7200
# Node ID 59dd920c0ddc4d41da9e1bd35eb8f6dd1550a0ce
# Parent  87c6ad2251d8703d7f16d51e99e3d1c040f0be49
util: fix doc for datestr()

timezone parameter was removed with c3182eeb70ea

diff --git a/mercurial/util.py b/mercurial/util.py
--- a/mercurial/util.py
+++ b/mercurial/util.py
@@ -1582,8 +1582,7 @@
 def datestr(date=None, format='%a %b %d %H:%M:%S %Y %1%2'):
     """represent a (unixtime, offset) tuple as a localized time.
     unixtime is seconds since the epoch, and offset is the time zone's
-    number of seconds away from UTC. if timezone is false, do not
-    append time zone to string."""
+    number of seconds away from UTC."""
     t, tz = date or makedate()
     if "%1" in format or "%2" in format or "%z" in format:
         sign = (tz > 0) and "-" or "+"