[MIRROR] Removes tripai landmark (#5280)

* Removes tripai landmark

* Update landmarks.dm

code/game/objects/effects/landmarks.dm

@@ -186,6 +186,12 @@ INITIALIZE_IMMEDIATE(/obj/effect/landmark)
 	name = "AI"
 	icon_state = "AI"
 	delete_after_roundstart = FALSE
+	var/primary_ai = TRUE
+
+/obj/effect/landmark/start/ai/secondary
+	icon = 'icons/effects/landmarks_static.dmi'
+	icon_state = "ai_spawn"
+	primary_ai = FALSE
 
 
 //Department Security spawns
@@ -274,12 +280,6 @@ INITIALIZE_IMMEDIATE(/obj/effect/landmark/start/new_player)
 	name = "Observer-Start"
 	icon_state = "observer_start"
 
-// triple ais.
-/obj/effect/landmark/tripai
-	name = "tripai"
-	icon_state = "ai_spawn"
-	layer = MOB_LAYER
-
 // xenos.
 /obj/effect/landmark/xeno_spawn
 	name = "xeno_spawn"