DB/Creature: Delete wrong spawned Silithid Swarms.

These creatures are summoned.

sql/updates/world/2011_05_18_03_world_creature.sql

@@ -0,0 +1,3 @@
+-- This creature is only supposed to be summoned.
+DELETE FROM `creature` WHERE `id`=4196;
+DELETE FROM `creature_addon` WHERE `guid` IN (14343,14342,14341,14340,14339,14338,14337);