Remove the now useless Queue wrapper in slixmpp.util.

slixmpp/test/livesocket.py

@@ -8,8 +8,7 @@
 
 import socket
 import threading
-
-from slixmpp.util import Queue
+from queue import Queue
 
 
 class TestLiveSocket(object):

slixmpp/test/mocksocket.py

@@ -7,8 +7,7 @@
 """
 
 import socket
-
-from slixmpp.util import Queue
+from queue import Queue
 
 
 class TestSocket(object):

slixmpp/test/slixtest.py

@@ -7,10 +7,10 @@
 """
 
 import unittest
+from queue import Queue
 from xml.parsers.expat import ExpatError
 
 from slixmpp import ClientXMPP, ComponentXMPP
-from slixmpp.util import Queue
 from slixmpp.stanza import Message, Iq, Presence
 from slixmpp.test import TestSocket, TestLiveSocket
 from slixmpp.xmlstream import ET