Area boss G. Centipede + fixed Hak event

Added new script for area boss Giant Centipede. Fixed event Hak not
disposing players properly, which made character clients stuck until
logout.

sql/db_drops.sql

@@ -18793,7 +18793,8 @@
 (9300105, 4031551, 1, 1, 3829, 40000),
 (9300106, 4031551, 1, 1, 3829, 40000),
 (9300107, 4031551, 1, 1, 3829, 40000),
-(9300119, 4031551, 1, 1, 3829, 40000);
+(9300119, 4031551, 1, 1, 3829, 40000),
+(9300119, 0, 801, 1199, 0, 400000);
 
 
 # (dropperid, itemid, minqty, maxqty, questid, chance)