Fixes some light presets being brighter than intended (#64861)

* fixes light presets

* into the void with you

code/modules/power/lighting/light.dm

@@ -91,11 +91,9 @@
 	. = ..()
 	switch(fitting)
 		if("tube")
-			brightness = 8
 			if(prob(2))
 				break_light_tube(TRUE)
 		if("bulb")
-			brightness = 4
 			if(prob(5))
 				break_light_tube(TRUE)
 	addtimer(CALLBACK(src, .proc/update, FALSE), 0.1 SECONDS)

code/modules/power/lighting/light_mapping_helpers.dm

@@ -31,13 +31,13 @@
 	bulb_colour = "#FF3232"
 	nightshift_allowed = FALSE
 	no_emergency = TRUE
-	brightness = 2
+	brightness = 4
 	bulb_power = 0.7
 
 /obj/machinery/light/blacklight
 	bulb_colour = "#A700FF"
 	nightshift_allowed = FALSE
-	brightness = 2
+	brightness = 4
 	bulb_power = 0.8
 
 /obj/machinery/light/dim
@@ -74,13 +74,13 @@
 	bulb_colour = "#FF3232"
 	no_emergency = TRUE
 	nightshift_allowed = FALSE
-	brightness = 1
+	brightness = 2
 	bulb_power = 0.8
 
 /obj/machinery/light/small/blacklight
 	bulb_colour = "#A700FF"
 	nightshift_allowed = FALSE
-	brightness = 1
+	brightness = 2
 	bulb_power = 0.9
 
 // -------- Directional presets