Remove legacy viewpoint code, move back to Bay's and /tg/'s system

code/game/objects/structures/inflatable.dm

@@ -34,14 +34,6 @@
 		update_nearby_tiles()
 		..()
 
-	proc/update_nearby_tiles(need_rebuild) //Copypasta from airlock code
-		if(!air_master)
-			return 0
-		air_master.mark_for_update(get_turf(src))
-		return 1
-
-
-
 	CanPass(atom/movable/mover, turf/target, height=0, air_group=0)
 		return 0
 

code/game/objects/structures/mineral_doors.dm

@@ -157,13 +157,6 @@
 				CheckHardness()
 		return
 
-	proc/update_nearby_tiles(need_rebuild) //Copypasta from airlock code
-		if(!air_master) return 0
-
-		air_master.mark_for_update(get_turf(src))
-
-		return 1
-
 /obj/structure/mineral_door/iron
 	mineralType = "metal"
 	hardness = 3

code/game/objects/structures/windoor_assembly.dm

@@ -27,13 +27,6 @@ obj/structure/windoor_assembly
 	var/secure = 0		//Whether or not this creates a secure windoor
 	var/state = "01"	//How far the door assembly has progressed
 
-/obj/structure/windoor_assembly/proc/update_nearby_tiles(need_rebuild)
-	if(!air_master) return 0
-
-	air_master.mark_for_update(loc)
-
-	return 1
-	
 obj/structure/windoor_assembly/New(dir=NORTH)
 	..()
 	src.ini_dir = src.dir

code/game/objects/structures/window.dm

@@ -403,14 +403,6 @@ var/global/wcColored
 	dir = ini_dir
 	update_nearby_tiles(need_rebuild=1)
 
-
-//This proc has to do with airgroups and atmos, it has nothing to do with smoothwindows, that's update_nearby_tiles().
-/obj/structure/window/proc/update_nearby_tiles(need_rebuild)
-	if(!air_master) return 0
-	air_master.mark_for_update(get_turf(src))
-
-	return 1
-
 //checks if this window is full-tile one
 /obj/structure/window/proc/is_fulltile()
 	if(dir & (dir - 1))