Scripts/Arena: Fix possible crash in Hook Point

* 480aa30 followup

Author: mdX7

src/server/scripts/Battlegrounds/HookPoint/arena_hook_point.cpp

@@ -371,7 +371,7 @@ class spell_arena_low_health_dying_trigger : public AuraScript
 
     void Register() override
     {
-        OnEffectRemove += AuraEffectRemoveFn(spell_arena_low_health_dying_trigger::HandleRemove, EFFECT_0, SPELL_AURA_PERIODIC_DUMMY, AURA_EFFECT_HANDLE_REAL);
+        AfterEffectRemove += AuraEffectRemoveFn(spell_arena_low_health_dying_trigger::HandleRemove, EFFECT_0, SPELL_AURA_PERIODIC_DUMMY, AURA_EFFECT_HANDLE_REAL);
     }
 };
 

src/server/scripts/Battlegrounds/battlegrounds_script_loader.cpp

@@ -66,6 +66,7 @@ void AddSC_battleground_deephaul_ravine();
 void AddSC_arena_blades_edge_legion();
 
 void AddSC_arena_mugambala();
+void AddSC_arena_hook_point();
 void AddSC_arena_the_robodrome();
 
 void AddSC_arena_maldraxxus_coliseum();
@@ -75,8 +76,6 @@ void AddSC_arena_nokhudon_proving_grounds();
 
 void AddSC_arena_cage_of_carnage();
 
-void AddSC_arena_hook_point();
-
 // The name of this function should match:
 // void Add${NameOfDirectory}Scripts()
 void AddBattlegroundsScripts()
@@ -128,6 +127,7 @@ void AddBattlegroundsScripts()
     AddSC_arena_blades_edge_legion();
 
     AddSC_arena_mugambala();
+    AddSC_arena_hook_point();
     AddSC_arena_the_robodrome();
 
     AddSC_arena_maldraxxus_coliseum();
@@ -136,6 +136,4 @@ void AddBattlegroundsScripts()
     AddSC_arena_nokhudon_proving_grounds();
 
     AddSC_arena_cage_of_carnage();
-
-    AddSC_arena_hook_point();
 }