Removes usage of set background

code/__HELPERS/game.dm

@@ -239,9 +239,6 @@
 		processing_list += A.contents
 
 /proc/get_mobs_in_radio_ranges(list/obj/item/device/radio/radios)
-
-	set background = BACKGROUND_ENABLED
-
 	. = list()
 	// Returns a list of mobs who can hear any of the radios given in @radios
 	for(var/obj/item/device/radio/R in radios)

code/_compile_options.dm

@@ -19,9 +19,6 @@
 								2 for preloading absolutely everything;
 								*/
 
-#define BACKGROUND_ENABLED 0    // The default value for all uses of set background. Set background can cause gradual lag and is recommended you only turn this on if necessary.
-								// 1 will enable set background. 0 will disable set background.
-
 //ADMIN STUFF
 #define ROUNDSTART_LOGOUT_REPORT_TIME	6000 //Amount of time (in deciseconds) after the rounds starts, that the player disconnect report is issued.
 

code/controllers/subsystem/garbage.dm

@@ -332,7 +332,6 @@ SUBSYSTEM_DEF(garbage)
 /datum/verb/find_refs()
 	set category = "Debug"
 	set name = "Find References"
-	set background = 1
 	set src in world
 
 	find_references(FALSE)
@@ -385,7 +384,6 @@ SUBSYSTEM_DEF(garbage)
 /datum/verb/qdel_then_find_references()
 	set category = "Debug"
 	set name = "qdel() then Find References"
-	set background = 1
 	set src in world
 
 	qdel(src)

code/game/machinery/porta_turret/portable_turret.dm

@@ -335,8 +335,6 @@
 
 /obj/machinery/porta_turret/process()
 	//the main machinery process
-	set background = BACKGROUND_ENABLED
-
 	if(cover == null && anchored)	//if it has no cover and is anchored
 		if(stat & BROKEN)	//if the turret is borked
 			qdel(cover)	//delete its cover, assuming it has one. Workaround for a pesky little bug

code/modules/mob/living/brain/life.dm

@@ -1,8 +1,6 @@
 
 /mob/living/brain/Life()
 	set invisibility = 0
-	set background = BACKGROUND_ENABLED
-
 	if (notransform)
 		return
 	if(!loc)

code/modules/mob/living/carbon/alien/larva/life.dm

@@ -2,8 +2,6 @@
 
 /mob/living/carbon/alien/larva/Life()
 	set invisibility = 0
-	set background = BACKGROUND_ENABLED
-
 	if (notransform)
 		return
 	if(..()) //not dead

code/modules/mob/living/carbon/human/interactive.dm

@@ -753,7 +753,6 @@
 		timeout++
 
 /mob/living/carbon/human/interactive/proc/getGoodPath(target,var/maxtries=512)
-	set background = 1
 	var/turf/end = get_turf(target)
 
 	var/turf/current = get_turf(src)
@@ -779,7 +778,6 @@
 	return path
 
 /mob/living/carbon/human/interactive/proc/walk2derpless(target)
-	set background = 1
 	if(!target)
 		return 0
 

code/modules/mob/living/carbon/human/life.dm

@@ -22,8 +22,6 @@
 
 /mob/living/carbon/human/Life()
 	set invisibility = 0
-	set background = BACKGROUND_ENABLED
-
 	if (notransform)
 		return
 

code/modules/mob/living/carbon/life.dm

@@ -1,6 +1,5 @@
 /mob/living/carbon/Life()
 	set invisibility = 0
-	set background = BACKGROUND_ENABLED
 
 	if(notransform)
 		return

code/modules/mob/living/carbon/monkey/life.dm

@@ -5,7 +5,6 @@
 
 /mob/living/carbon/monkey/Life()
 	set invisibility = 0
-	set background = BACKGROUND_ENABLED
 
 	if (notransform)
 		return

code/modules/mob/living/life.dm

@@ -1,6 +1,5 @@
 /mob/living/Life(seconds, times_fired)
 	set invisibility = 0
-	set background = BACKGROUND_ENABLED
 
 	if(digitalinvis)
 		handle_diginvis() //AI becomes unable to see mob

code/modules/mob/living/silicon/ai/freelook/chunk.dm

@@ -60,9 +60,6 @@
 // The actual updating. It gathers the visible turfs from cameras and puts them into the appropiate lists.
 
 /datum/camerachunk/proc/update()
-
-	set background = BACKGROUND_ENABLED
-
 	var/list/newVisibleTurfs = list()
 
 	for(var/camera in cameras)

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

@@ -1,7 +1,5 @@
 /mob/living/silicon/robot/Life()
 	set invisibility = 0
-	set background = BACKGROUND_ENABLED
-
 	if (src.notransform)
 		return
 

code/modules/mob/living/simple_animal/bot/bot.dm

@@ -225,7 +225,6 @@
 	return //we use a different hud
 
 /mob/living/simple_animal/bot/handle_automated_action() //Master process which handles code common across most bots.
-	set background = BACKGROUND_ENABLED
 	diag_hud_set_botmode()
 
 	if (ignorelistcleanuptimer % 300 == 0) // Every 300 actions, clean up the ignore list from old junk

code/modules/mob/living/simple_animal/slime/life.dm

@@ -9,8 +9,6 @@
 
 /mob/living/simple_animal/slime/Life()
 	set invisibility = 0
-	set background = BACKGROUND_ENABLED
-
 	if (notransform)
 		return
 	if(..())

code/modules/ninja/suit/suit_process.dm

@@ -1,6 +1,4 @@
 /obj/item/clothing/suit/space/space_ninja/proc/ntick(mob/living/carbon/human/U = affecting)
-	set background = BACKGROUND_ENABLED
-
 	//Runs in the background while the suit is initialized.
 	//Requires charge or stealth to process.
 	spawn while(s_initialized)

code/modules/power/singularity/narsie.dm

@@ -193,7 +193,6 @@
 	grav_pull = 0
 
 /obj/singularity/narsie/wizard/eat()
-	set background = BACKGROUND_ENABLED
 //	if(defer_powernet_rebuild != 2)
 //		defer_powernet_rebuild = 1
 	for(var/atom/X in urange(consume_range,src,1))

code/modules/power/singularity/singularity.dm

@@ -251,7 +251,6 @@
 
 
 /obj/singularity/proc/eat()
-	set background = BACKGROUND_ENABLED
 	for(var/tile in spiral_range_turfs(grav_pull, src))
 		var/turf/T = tile
 		if(!T || !isturf(loc))

code/modules/procedural_mapping/mapGenerator.dm

@@ -104,8 +104,6 @@
 
 //Requests the mapGeneratorModule(s) to (re)generate
 /datum/mapGenerator/proc/generate()
-	set background = 1 //this can get beefy
-
 	syncModules()
 	if(!modules || !modules.len)
 		return

code/modules/procedural_mapping/mapGenerators/cellular.dm

@@ -38,8 +38,6 @@
 	current_state = old_state.Copy()
 
 /datum/mapGenerator/ca/generate()
-	set background = 1
-
 	//Abandon all hope for efficency all who enter here
 	//Maybe some less basic implemetation later, but this is just simple admin tool
 	initialize()