Fix OnEffectLaunch not using preventDefault variable.

Remove eluna info key destruction from ElunaInfo::~ElunaInfo()

Author: Terrorblade

ElunaMgr.cpp

@@ -57,8 +57,6 @@ void ElunaMgr::Destroy(ElunaInfo const& info)
 
 ElunaInfo::~ElunaInfo()
 {
-    if (IsValid() && sElunaMgr)
-        sElunaMgr->Destroy(key);
 }
 
 bool ElunaInfo::IsValid() const

hooks/SpellHooks.cpp

@@ -211,11 +211,11 @@ void Eluna::OnDestinationTargetSelect(Spell* pSpell, uint8 effIndex, SpellDestin
 
 bool Eluna::OnEffectLaunch(Spell* pSpell, uint8 effIndex, uint8 mode, bool preventDefault)
 {
-    START_HOOK_WITH_RETVAL(SPELL_EVENT_ON_EFFECT_LAUNCH, pSpell, false);
+    START_HOOK_WITH_RETVAL(SPELL_EVENT_ON_EFFECT_LAUNCH, pSpell, preventDefault);
     HookPush(pSpell);
     HookPush(effIndex);
     HookPush(mode);
-    return CallAllFunctionsBool(binding, key, false);
+    return CallAllFunctionsBool(binding, key, preventDefault);
 }
 
 bool Eluna::OnEffectLaunchTarget(Spell* pSpell, uint8 effIndex, uint8 mode, bool preventDefault)