Faster get_turf() courtesy /vg/ (#19093)

Uses a single get_step call instead, works via byond black magic

code/__DEFINES/misc.dm

@@ -319,6 +319,9 @@ var/list/bloody_footprints_cache = list()
 //subtypesof(), typesof() without the parent path
 #define subtypesof(typepath) ( typesof(typepath) - typepath )
 
+//Gets the turf this atom inhabits
+#define get_turf(A) (get_step(A, 0))
+
 //Bot types
 #define SEC_BOT				1	// Secutritrons (Beepsky) and ED-209s
 #define MULE_BOT			2	// MULEbots

code/__HELPERS/unsorted.dm

@@ -720,16 +720,6 @@ Turf and target are seperate in case you want to teleport some distance from a t
 	else
 		return zone
 
-
-//Gets the turf this atom inhabits
-
-/proc/get_turf(atom/A)
-	if (!istype(A))
-		return
-	for(A, A && !isturf(A), A=A.loc); //semicolon is for the empty statement
-	return A
-
-
 /*
 
  Gets the turf this atom's *ICON* appears to inhabit