[FIX] Remove default tz from context, to allow website (Public user) to use correct timeZone. Now, module from website using date as event will be displayed with the TimeZone of "Public User" by default

bzr revid: jke@openerp.com-20140303103141-h76t3o075x2xgb25

openerp/http.py

@@ -692,7 +692,7 @@ class OpenERPSession(werkzeug.contrib.sessions.Session):
         self.setdefault("uid", None)
         self.setdefault("login", None)
         self.setdefault("password", None)
-        self.setdefault("context", {'tz': "UTC", "uid": None})
+        self.setdefault("context", {})
 
     def get_context(self):
         """