Removes Green Giant Spider from Gold Slime Cores (#21615)

* begone dchat and admin spam

* sirryan review

code/modules/mob/living/simple_animal/hostile/giant_spider.dm

@@ -76,6 +76,7 @@
 	health = 40
 	melee_damage_lower = 5
 	melee_damage_upper = 10
+	gold_core_spawnable = NO_SPAWN
 	venom_per_bite = 30
 	var/atom/cocoon_target
 	var/fed = 0
@@ -281,7 +282,6 @@
 	var/obj/structure/spider/eggcluster/C = new /obj/structure/spider/eggcluster(loc)
 	C.faction = faction.Copy()
 	C.master_commander = master_commander
-	C.xenobiology_spawned = xenobiology_spawned
 	if(ckey)
 		C.player_spiders = TRUE
 	fed--