Core/Spell Mechanics: remove redundant call to AddGlobalCooldown left from previous GCD checks implementation (thanks Machiavelli for spotting)

Core/Logs: fix one more log message for Aokromes

src/server/game/Spells/Spell.cpp

@@ -3003,9 +3003,6 @@ void Spell::prepare(SpellCastTargets const* targets, AuraEffect const * triggere
 
         TriggerGlobalCooldown();
 
-        if (m_caster->GetTypeId() == TYPEID_PLAYER)
-            m_caster->ToPlayer()->AddGlobalCooldown(m_spellInfo,this);
-
         if (!m_casttime && !m_spellInfo->StartRecoveryTime
             && !m_castItemGUID     //item: first cast may destroy item and second cast causes crash
             && GetCurrentContainer() == CURRENT_GENERIC_SPELL)
@@ -7293,7 +7290,9 @@ void Spell::CallScriptAfterUnitTargetSelectHandlers(std::list<Unit*>& unitTarget
     }
 }
 
-enum eGCD {
+// Global cooldowns management
+enum GCDLimits
+{
     MIN_GCD = 1000,
     MAX_GCD = 1500
 };