fix(DB/SAI): Warlord Krom'zar wrong spell (#9459)

- On Sniffs he doesn't cast anything in-combat
- On VMangos he doesn't either
- On Youtube classic footage there doesn't seem to be anything cast from
  him either.

data/sql/updates/pending_db_world/rev_1638445027033013500.sql

@@ -0,0 +1,3 @@
+INSERT INTO `version_db_world` (`sql_rev`) VALUES ('1638445027033013500');
+
+DELETE FROM `smart_scripts` WHERE (`entryorguid` = 9456) AND (`source_type` = 0) AND (`id` IN (0));