Core/Scripts: implement Drain Mana breaking some auras on hit

src/server/scripts/Spells/spell_priest.cpp

@@ -628,34 +628,6 @@ class spell_pri_lightwell_renew : public SpellScriptLoader
         }
 };
 
-// 8129 - Mana Burn
-class spell_pri_mana_burn : public SpellScriptLoader
-{
-    public:
-        spell_pri_mana_burn() : SpellScriptLoader("spell_pri_mana_burn") { }
-
-        class spell_pri_mana_burn_SpellScript : public SpellScript
-        {
-            PrepareSpellScript(spell_pri_mana_burn_SpellScript);
-
-            void HandleAfterHit()
-            {
-                if (Unit* unitTarget = GetHitUnit())
-                    unitTarget->RemoveAurasWithMechanic((1 << MECHANIC_FEAR) | (1 << MECHANIC_POLYMORPH));
-            }
-
-            void Register() override
-            {
-                AfterHit += SpellHitFn(spell_pri_mana_burn_SpellScript::HandleAfterHit);
-            }
-        };
-
-        SpellScript* GetSpellScript() const override
-        {
-            return new spell_pri_mana_burn_SpellScript;
-        }
-};
-
 // 28305 - Mana Leech (Passive) (Priest Pet Aura)
 class spell_pri_mana_leech : public SpellScriptLoader
 {
@@ -1303,7 +1275,6 @@ void AddSC_priest_spell_scripts()
     new spell_pri_guardian_spirit();
     new spell_pri_leap_of_faith_effect_trigger();
     new spell_pri_lightwell_renew();
-    new spell_pri_mana_burn();
     new spell_pri_mana_leech();
     new spell_pri_mind_sear();
     new spell_pri_pain_and_suffering_proc();