Merge pull request #9010 from Souler/fix_dispel_effects

[4.3.4] Spells: Dispel effects can always be casted

src/server/game/Spells/Spell.cpp

@@ -5068,6 +5068,8 @@ SpellCastResult Spell::CheckCast(bool strict)
         }
     }
 
+    // Updated 4.3.4. Dispel effects can always be cast (even when there's nothing to dispel).
+    /*
     if (!hasNonDispelEffect && !hasDispellableAura && dispelMask && !IsTriggered())
     {
         if (Unit* target = m_targets.GetUnitTarget())
@@ -5078,6 +5080,7 @@ SpellCastResult Spell::CheckCast(bool strict)
                 return SPELL_FAILED_NOTHING_TO_DISPEL;
         }
     }
+    */
 
     for (uint8 i = 0; i < MAX_SPELL_EFFECTS; ++i)
     {