core: remove assume from nm-activation-request

Whether an active connection is assumed or connected from scratch is
only important during nm_device_activate(). When the activation process
is set up, there's no difference from any other active connection.

Acked-by: Dan Winship <danw@gnome.org>
Acked-by: Thomas Haller <thaller@redhat.com>

src/nm-activation-request.h

@@ -51,7 +51,6 @@ NMActRequest *nm_act_request_new          (NMConnection *connection,
                                            gboolean user_requested,
                                            gulong user_uid,
                                            const char *dbus_sender,
-                                           gboolean assumed,
                                            NMDevice *device,
                                            NMDevice *master);