fix(DB/Creature): Fix Power Spark movement (#24798)

data/sql/updates/pending_db_world/rev_1771736808435225100.sql

@@ -0,0 +1,8 @@
+--
+DELETE FROM `creature_template_addon` WHERE `entry` = 30084;
+INSERT INTO `creature_template_addon` (`entry`, `path_id`, `mount`, `bytes1`, `bytes2`, `emote`, `visibilityDistanceType`, `auras`) VALUES
+(30084, 0, 0, 0, 0, 0, 0, '55845');
+
+DELETE FROM `creature_template_movement` WHERE `CreatureId` = 30084;
+INSERT INTO `creature_template_movement` (`CreatureId`, `Flight`) VALUES
+(30084, 1);

src/server/scripts/Northrend/Nexus/EyeOfEternity/boss_malygos.cpp

@@ -746,7 +746,6 @@ struct npc_power_spark : public NullCreatureAI
     npc_power_spark(Creature* creature) : NullCreatureAI(creature)
     {
         _instance = me->GetInstanceScript();
-        me->CastSpell(me, SPELL_POWER_SPARK_VISUAL, false);
         _checkTimer = 1000;
         _moveTimer = 0;
     }