pylint cleanup: remove unused imports

Reviewed-by: James Cameron <quozl@laptop.org>
Acked-by: Simon Schampijer <simon@laptop.org>
CC: Aleksey Lim <alsroot@member.fsf.org>

src/sugar/graphics/palette.py

@@ -21,8 +21,6 @@
 STABLE.
 """
 
-import logging
-
 import gtk
 import gobject
 import pango

src/sugar/presence/connectionmanager.py

@@ -24,8 +24,7 @@ from functools import partial
 import dbus
 from dbus import PROPERTIES_IFACE
 from telepathy.interfaces import ACCOUNT, \
-                                 ACCOUNT_MANAGER, \
-                                 CONNECTION
+                                 ACCOUNT_MANAGER
 from telepathy.constants import CONNECTION_STATUS_CONNECTED
 
 ACCOUNT_MANAGER_SERVICE = 'org.freedesktop.Telepathy.AccountManager'