remove dbus from apparmor profile

This removes the dbus entry from the apparmor profile Docker creates.

Docker-DCO-1.1-Signed-off-by: Cristian Staretu <cristian.staretu@gmail.com> (github: unclejack)

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) -> /,