ports "Componentizes orbiting"

code/modules/mob/dead/observer/observer.dm

@@ -429,9 +429,6 @@ This is the proc mobs get to turn into a ghost. Forked from ghostize due to comp
 	var/orbitsize = (I.Width()+I.Height())*0.5
 	orbitsize -= (orbitsize/world.icon_size)*(world.icon_size*0.25)
 
-	if(orbiting && orbiting.orbiting != target)
-		to_chat(src, "<span class='notice'>Now orbiting [target].</span>")
-
 	var/rot_seg
 
 	switch(ghost_orbit)
@@ -450,10 +447,10 @@ This is the proc mobs get to turn into a ghost. Forked from ghostize due to comp
 
 /mob/dead/observer/orbit()
 	setDir(2)//reset dir so the right directional sprites show up
-	..()
+	return ..()
 
-/mob/dead/observer/stop_orbit()
-	..()
+/mob/dead/observer/stop_orbit(datum/component/orbiter/orbits)
+	. = ..()
 	//restart our floating animation after orbit is done.
 	pixel_y = 0
 	animate(src, pixel_y = 2, time = 10, loop = -1)

code/modules/mob/mob.dm

@@ -871,13 +871,7 @@
 	return
 
 /mob/proc/update_sight()
-	for(var/O in orbiters)
-		var/datum/orbit/orbit = O
-		var/obj/effect/wisp/wisp = orbit.orbiter
-		if (istype(wisp))
-			sight |= wisp.sight_flags
-			if(!isnull(wisp.lighting_alpha))
-				lighting_alpha = min(lighting_alpha, wisp.lighting_alpha)
+	SEND_SIGNAL(src, COMSIG_MOB_UPDATE_SIGHT)
 
 	sync_lighting_plane_alpha()