Moved stack into heist antag creation for pariah reinclusion.

code/game/gamemodes/heist/heist.dm

@@ -114,7 +114,8 @@ var/global/list/obj/cortical_stacks = list() //Stacks for 'leave nobody behind'
 	for(var/datum/organ/external/limb in vox.organs)
 		limb.status &= ~(ORGAN_DESTROYED | ORGAN_ROBOT)
 
-	// Keep track of their stack.
+	// Add and keep track of their stack.
+	new /datum/organ/internal/stack/vox(vox)
 	if(vox.internal_organs_by_name["stack"])
 		cortical_stacks |= vox.internal_organs_by_name["stack"]
 

code/modules/mob/living/carbon/human/species/outsider/vox.dm

@@ -47,8 +47,7 @@
 		"liver" =    /datum/organ/internal/liver,
 		"kidneys" =  /datum/organ/internal/kidney,
 		"brain" =    /datum/organ/internal/brain,
-		"eyes" =     /datum/organ/internal/eyes,
-		"stack" =    /datum/organ/internal/stack/vox
+		"eyes" =     /datum/organ/internal/eyes
 		)
 
 /datum/species/vox/get_random_name(var/gender)