Removes Dirty Floors (#12519)

code/modules/mob/living/silicon/robot/robot.dm

@@ -1130,9 +1130,6 @@ var/list/robot_verbs_default = list(
 			var/turf/tile = loc
 			if(isturf(tile))
 				var/floor_only = TRUE
-				if(istype(tile, /turf/simulated))
-					var/turf/simulated/S = tile
-					S.dirt = 0
 				for(var/A in tile)
 					if(istype(A, /obj/effect))
 						if(is_cleanable(A))

code/modules/reagents/chemistry/reagents/water.dm

@@ -81,9 +81,6 @@
 
 		for(var/mob/living/simple_animal/slime/M in T)
 			M.adjustToxLoss(rand(5, 10))
-		if(istype(T, /turf/simulated))
-			var/turf/simulated/S = T
-			S.dirt = 0
 
 /datum/reagent/space_cleaner/reaction_mob(mob/living/M, method=TOUCH, volume)
 	if(iscarbon(M))

code/modules/surgery/surgery.dm

@@ -194,8 +194,7 @@
 
 	for(var/obj/effect/decal/cleanable/M in view(2, E.loc))//germs from messes
 		if(AStar(E.loc, M.loc, /turf/proc/Distance, 2, simulated_only = 0))
-			if(!istype(M,/obj/effect/decal/cleanable/dirt))//dirt is too common
-				germs++
+			germs++
 
 	if(tool.blood_DNA && tool.blood_DNA.len) //germs from blood-stained tools
 		germs += 30

code/modules/vehicle/janicart.dm

@@ -49,9 +49,6 @@
 		var/turf/tile = loc
 		if(isturf(tile))
 			tile.clean_blood()
-			if(istype(tile, /turf/simulated/floor))
-				var/turf/simulated/floor/F = tile
-				F.dirt = 0
 			for(var/A in tile)
 				if(is_cleanable(A))
 					qdel(A)