overlay stuff

code/__DEFINES/subsystems.dm

@@ -228,25 +228,6 @@
 #define SSMOBS_DT (SSmobs.wait/10)
 #define SSOBJ_DT (SSobj.wait/10)
 
-//! ## Overlays subsystem
-
-///Compile all the overlays for an atom from the cache lists
-// |= on overlays is not actually guaranteed to not add same appearances but we're optimistically using it anyway.
-#define COMPILE_OVERLAYS(A)\
-	do {\
-		var/list/ad = A.add_overlays;\
-		var/list/rm = A.remove_overlays;\
-		if(LAZYLEN(rm)){\
-			A.overlays -= rm;\
-			rm.Cut();\
-		}\
-		if(LAZYLEN(ad)){\
-			A.overlays |= ad;\
-			ad.Cut();\
-		}\
-		A.flags_1 &= ~OVERLAY_QUEUED_1;\
-	} while(FALSE)
-
 /**
 	Create a new timer and add it to the queue.
 	* Arguments: