DB/BWD: moved Dragon Orb aura to creature_addon

sql/updates/world/custom/custom_2020_01_06_00_world.sql

@@ -0,0 +1,4 @@
+UPDATE `creature_template_addon` SET `auras`= '' WHERE `entry`= 35592;
+DELETE FROM `creature_addon` WHERE `guid`= 259779;
+INSERT INTO `creature_addon` (`guid`, `auras`) VALUES
+(259779, '78173');