do not check for type of dpd action any more

testing/tests/ikev2/dpd-clear/evaltest.dat

@@ -4,4 +4,3 @@ moon::sleep 180::no output expected::NO
 moon::cat /var/log/daemon.log::sending DPD request::YES
 moon::cat /var/log/daemon.log::retransmit.*of request::YES
 moon::cat /var/log/daemon.log::giving up after 5 retransmits::YES
-moon::cat /var/log/daemon.log::dpd action for rw is DPD_CLEAR::YES