[MIRROR] More deletion cleanup (#1112)

* More deletion cleanup (#53681)

- Observer mobs not delling correctly
- AI delling basically nothing
- pods not delling glow effect
- minor slime cleanup

* More deletion cleanup

Co-authored-by: TiviPlus <57223640+TiviPlus@users.noreply.github.com>

code/modules/research/xenobiology/crossbreeding/charged.dm

@@ -274,4 +274,4 @@ Charged extracts:
 	for(var/i in 1 to 3)
 		var/mob/living/simple_animal/slime/S = new(get_turf(user))
 		S.random_colour()
-	..()
+	return ..()

code/modules/research/xenobiology/crossbreeding/chilling.dm

@@ -238,7 +238,7 @@ Chilling extracts:
 		user.visible_message("<span class='notice'>[src] lets out a peaceful ring as it shatters, and nearby slimes seem calm.</span>")
 	else
 		user.visible_message("<span class='notice'>[src] lets out a peaceful ring as it shatters, but nothing happens...</span>")
-	..()
+	return ..()
 
 /obj/item/slimecross/chilling/green
 	colour = "green"