Adds ghost role eligibility to various ghost roles. (#11549)

* Added ghost role eligibility to CTF, possession, random animal

* Also added possessed blade to it.

* Also removed some extraneous dead/observer things.

* ahaha whoops

code/game/objects/items/holy_weapons.dm

@@ -463,6 +463,16 @@
 	hitsound = 'sound/weapons/rapierhit.ogg'
 	var/possessed = FALSE
 
+/obj/item/nullrod/scythe/talking/process()
+	for(var/mob/living/simple_animal/shade/S in contents)
+		if(S.mind)
+			return
+		else
+			qdel(S)
+	possessed = FALSE
+	visible_message("<span class='warning'>The blade makes a short sigh. The spirit within seems to have passed on...</span>")
+	return PROCESS_KILL
+
 /obj/item/nullrod/scythe/talking/relaymove(mob/user)
 	return //stops buckled message spam for the ghost.
 
@@ -484,6 +494,8 @@
 		S.ckey = C.ckey
 		S.status_flags |= GODMODE
 		S.language_holder = user.language_holder.copy(S)
+		S.AddElement(/datum/element/ghost_role_eligibility)
+		START_PROCESSING(SSprocessing,src)
 		var/input = stripped_input(S,"What are you named?", ,"", MAX_NAME_LEN)
 
 		if(src && input)