Makes Xenobio Related Things GC Better (#12558)

code/modules/mob/living/simple_animal/slime/slime.dm

@@ -97,9 +97,10 @@
 	for(var/A in actions)
 		var/datum/action/AC = A
 		AC.Remove(src)
-	for(var/obj/machinery/computer/camera_advanced/xenobio/X in GLOB.machines)
-		if(src in X.stored_slimes)
-			X.stored_slimes -= src
+	Target = null
+	Leader = null
+	Friends.Cut()
+	speech_buffer.Cut()
 	return ..()
 
 /mob/living/simple_animal/slime/proc/set_colour(new_colour)