fix(DB/SAI): Remove despawn event from Lorgus Jett (#6289)

- Closes #6286
- Closes https://github.com/chromiecraft/chromiecraft/issues/823

data/sql/updates/pending_db_world/rev_1623254092348182246.sql

@@ -0,0 +1,4 @@
+INSERT INTO `version_db_world` (`sql_rev`) VALUES ('1623254092348182246');
+
+-- Delete despawn event from SmartAI of Lorgus Jett
+DELETE FROM `smart_scripts` WHERE `entryorguid`=12902 AND `id`=0;