chore(Core/Misc): add LOG_ERROR where there was commented ASSERT (#6761)

src/server/game/Spells/Spell.cpp

@@ -675,7 +675,7 @@ Spell::~Spell()
     {
         // Clean the reference to avoid later crash.
         // If this error is repeating, we may have to add an ASSERT to better track down how we get into this case.
-        LOG_ERROR("spells", "SPELL: deleting spell for spell ID %u. However, spell still referenced.", m_spellInfo->Id);
+        LOG_ERROR("spells", "Spell::~Spell: deleting spell for spell ID %u. However, spell still referenced.", m_spellInfo->Id);
         *m_selfContainer = nullptr;
     }