move shuttle loading to cordons (#31237)

* move shuttle loading to cordons

* clean up our reservations after we move

* pull logs up to stack traces

code/modules/shuttle/on_move.dm

@@ -11,10 +11,6 @@
 	abstract_move(T1)
 	return 1
 
-/obj/effect/landmark/shuttle_import/onShuttleMove()
-	// Used for marking where to preview/load shuttles
-	return 0
-
 /obj/docking_port/onShuttleMove()
 	// Stationary ports shouldn't move, mobile ones move themselves
 	return 0

code/modules/shuttle/shuttle.dm

@@ -582,6 +582,7 @@
 				W.update_eligible_areas()
 				W.update_audio()
 	mobile_port.unlockPortDoors(S1)
+	SEND_SIGNAL(mobile_port, COMSIG_MOBILE_PORT_DOCKED, S1)
 
 /obj/docking_port/mobile/proc/is_turf_blacklisted_for_transit(turf/T)
 	var/static/list/blacklisted_turf_types = typecacheof(list(/turf/space, /turf/simulated/floor/chasm, /turf/simulated/floor/lava, /turf/simulated/floor/plating/asteroid))
@@ -616,11 +617,6 @@
 	else
 		. = null
 
-/obj/effect/landmark/shuttle_import
-	name = "Shuttle Import"
-
-
-
 //shuttle-door closing is handled in the dock() proc whilst looping through turfs
 //this one closes the door where we are docked at, if there is one there.
 /obj/docking_port/mobile/proc/closePortDoors(obj/docking_port/stationary/S0)