Remove two more "from protocol import *".

src/common/xmpp/roster_nb.py

@@ -21,7 +21,7 @@ Simple roster implementation. Can be used though for different tasks like
 mass-renaming of contacts.
 '''
 
-from protocol import *
+from protocol import JID, Iq, Presence, Node, NS_ROSTER
 from client import PlugIn
 
 import logging

src/common/xmpp/transports_nb.py

@@ -27,7 +27,6 @@ connection handling.
 from simplexml import ustr
 from client import PlugIn
 from idlequeue import IdleObject
-from protocol import *
 import proxy_connectors
 import tls_nb