fix(DB/gameobject): Cleanup previous TBC revamps and set better spawn timers (#13599)

* Create rev_1667102149828098700.sql

* lower Khorium chance for Fel Iron

* Update rev_1667102149828098700.sql

data/sql/updates/pending_db_world/rev_1667102149828098700.sql

@@ -0,0 +1,42 @@
+-- Delete the ores that survived the purge
+DELETE FROM `gameobject` WHERE `guid` IN (40255, 40271, 42411, 61962) AND `id` IN (181555, 181556, 181557);
+-- Ore spawn timers
+UPDATE `gameobject` SET `spawntimesecs`=1200 WHERE `id` IN (181555, 181556, 181557, 181569) AND `map`=530;
+-- Common herb spawn timers
+UPDATE `gameobject` SET `spawntimesecs`=900 WHERE `id` IN (
+181270, -- Felweed
+183044, -- Felweed (Zangarmarsh)
+176584, -- Dreamfoil
+176583, -- Golden Sansam
+176586, -- Mountain Silversage
+183043, -- Ragveil
+183045, -- Dreaming Glory (Zangarmarsh)
+181271, -- Dreaming Glory
+183046, -- Blindweed
+142144, -- Ghost Mushroom
+181276, -- Flame Cap
+181277, -- Terocone
+181279, -- Netherbloom
+2041    -- Liferoot
+ ) AND `map`=530;
+-- Nightmare Vine
+UPDATE `gameobject` SET `spawntimesecs`=360 WHERE `id` IN (181280) AND `map`=530;
+-- Mana Thistle
+UPDATE `gameobject` SET `spawntimesecs`=600 WHERE `id` IN (181281) AND `map`=530;
+
+DELETE FROM `pool_gameobject` WHERE `guid` IN (34029, 40309, 42217, 42430, 86396, 87125, 87126);
+INSERT INTO `pool_gameobject` (`guid`, `pool_entry`, `chance`, `description`) VALUES
+(34029, 8080, 0, 'Felweed - Zangarmarsh'),
+(40309, 8134, 0, 'Felweed - Terokkar Forest'),
+(42217, 8086, 0, 'Ragveil - Zangarmarsh'),
+(42430, 8086, 0, 'Ragveil - Zangarmarsh'),
+(86396, 8042, 0, 'Golden Sansam - Hellfire Peninsula'),
+(87125, 8086, 0, 'Ragveil - Zangarmarsh'),
+(87126, 8086, 0, 'Ragveil - Zangarmarsh');
+
+UPDATE `gameobject` SET `ZoneId`=3521 WHERE `guid` IN (34029, 42217, 42430, 87125, 87126);
+UPDATE `gameobject` SET `ZoneId`=3519, `AreaId`=3961 WHERE `guid`=40309;
+UPDATE `gameobject` SET `ZoneId`=3483 WHERE `guid`=86396;
+
+-- Lower chances for Khorium to spawn on Fel Iron nodes from 2% to 1% I think it's even lower than that, actually.
+UPDATE `pool_gameobject` SET `chance`=1 WHERE `description` LIKE '%Khorium for Fel Iron%';