Change the action of Deathguard Terrence in Brill when he reaches the lantern: Use oneshot "laughing" instead of emote state

data/sql/updates/pending_db_world/rev_1525369154910150908.sql

@@ -0,0 +1,3 @@
+INSERT INTO version_db_world (`sql_rev`) VALUES ('1525369154910150908');
+
+UPDATE `waypoint_data` SET `action` = 484 WHERE `id` = 297790 AND `point` = 13;