fix(DB/Spells): add internal proc cooldown to Nature's Grasp (#10757)

Fixes #9475

data/sql/updates/pending_db_world/rev_1645377551356909900.sql

@@ -0,0 +1,5 @@
+INSERT INTO `version_db_world` (`sql_rev`) VALUES ('1645377551356909900');
+
+DELETE FROM `spell_proc_event` WHERE `entry`=-16689;
+INSERT INTO `spell_proc_event` VALUES
+(-16689,0,0,0,0,0,0,0,2,0,0,1000);

src/server/game/Entities/Unit/Unit.cpp

@@ -9049,22 +9049,6 @@ bool Unit::HandleProcTriggerSpell(Unit* victim, uint32 damage, AuraEffect* trigg
             ToPlayer()->RemoveCategoryCooldown(1248);
         }
     }
-    else if (auraSpellInfo->SpellFamilyName == SPELLFAMILY_DRUID)
-    {
-        // Nature's Grasp
-        if( triggerEntry->SpellIconID == 20 )
-        {
-            if (!victim)
-                return false;
-
-            if (AuraEffect* aurEff = victim->GetAuraEffect(SPELL_AURA_MOD_ROOT, SPELLFAMILY_DRUID, 20, 0))
-                if ((aurEff->GetBase()->GetMaxDuration() - aurEff->GetBase()->GetDuration()) < 1000)
-                    return false;
-
-            CastSpell(victim, trigger_spell_id, true);
-            return true;
-        }
-    }
 
     // Custom basepoints/target for exist spell
     // dummy basepoints or other customs