remove unused imports

diff --git a/pcucontrol/reboot.py b/pcucontrol/reboot.py
index d8fdb27..d4f8be6 100755 (executable)
--- a/pcucontrol/reboot.py
+++ b/pcucontrol/reboot.py
@@ -9,7 +9,6 @@ import xml, xmlrpclib
 import errno, time, traceback
 import urllib2
 import urllib
-import threading, popen2
 import array, struct
 import base64
 from subprocess import PIPE, Popen