massive burndown (#29894)

code/game/objects/effects/effect_system/effects_chem_smoke.dm

@@ -5,8 +5,6 @@
 /obj/effect/particle_effect/chem_smoke
 	icon = 'icons/goonstation/effects/64x64.dmi'
 	icon_state = "smoke"
-	density = FALSE
-	opacity = FALSE
 	layer = ABOVE_MOB_LAYER
 	animate_movement = NO_STEPS
 	var/matrix/first = matrix()

code/game/objects/effects/effect_system/effects_foam.dm

@@ -5,8 +5,6 @@
 /obj/effect/particle_effect/foam
 	name = "foam"
 	icon_state = "foam"
-	opacity = FALSE
-	density = FALSE
 	gender = PLURAL
 	layer = OBJ_LAYER + 0.9
 	animate_movement = NO_STEPS

code/game/objects/effects/effect_system/effects_smoke.dm

@@ -14,7 +14,6 @@
 	anchored = FALSE
 	plane = SMOKE_PLANE
 	layer = FLY_LAYER
-	mouse_opacity = MOUSE_OPACITY_TRANSPARENT
 	var/steps = 0
 	var/lifetime = 10 SECONDS_TO_LIFE_CYCLES
 	var/direction
@@ -144,7 +143,6 @@
 
 /obj/effect/particle_effect/smoke/steam
 	color = COLOR_OFF_WHITE
-	lifetime = 10 SECONDS_TO_LIFE_CYCLES
 	causes_coughing = TRUE
 
 /obj/effect/particle_effect/smoke/steam/smoke_mob(mob/living/carbon/breather)

code/game/objects/effects/effect_system/effects_water.dm

@@ -58,7 +58,6 @@
 /obj/effect/particle_effect/steam
 	name = "steam"
 	icon_state = "extinguish"
-	density = FALSE
 
 /obj/effect/particle_effect/steam/New()
 	..()