Merge pull request #4503 from unclejack/attempt_to_fix_apparmor_profile

remove dbus from apparmor profile for Ubuntu 12.04

pkg/libcontainer/apparmor/setup.go

@@ -21,7 +21,6 @@ profile docker-default flags=(attach_disconnected,mediate_deleted) {
   capability,
   file,
   umount,
-  dbus,
 
   # ignore DENIED message on / remount
   deny mount options=(ro, remount) -> /,