fix(DB/Creature): Fix Flamestrike inhabit types (#21249)

data/sql/updates/pending_db_world/rev_1737641541738329200.sql

@@ -0,0 +1,2 @@
+--
+UPDATE `creature_template_movement` SET `Rooted`= 1, `Flight` = 1 WHERE `CreatureId` = 24666;

src/server/scripts/EasternKingdoms/MagistersTerrace/boss_felblood_kaelthas.cpp

@@ -101,12 +101,6 @@ struct boss_felblood_kaelthas : public BossAI
         });
     }
 
-    void JustSummoned(Creature* summon) override
-    {
-        BossAI::JustSummoned(summon);
-        summon->SetReactState(REACT_PASSIVE);
-    }
-
     void GravityLapseSequence(bool firstTime)
     {
         Talk(firstTime ? SAY_GRAVITY_LAPSE : SAY_RECAST_GRAVITY);