Removes area.master. Moves area/New to Initialize (#24134)

* Removes master areas

* Ports area/New to Initialize

code/modules/power/lighting.dm

@@ -408,8 +408,8 @@
 // returns whether this light has power
 // true if area has power and lightswitch is on
 /obj/machinery/light/proc/has_power()
-	var/area/A = src.loc.loc
-	return A.master.lightswitch && A.master.power_light
+	var/area/A = get_area(src)
+	return A.lightswitch && A.power_light
 
 /obj/machinery/light/proc/flicker(var/amount = rand(10, 20))
 	set waitfor = 0
@@ -534,7 +534,6 @@
 // called when area power state changes
 /obj/machinery/light/power_change()
 	var/area/A = get_area(src)
-	A = A.master
 	seton(A.lightswitch && A.power_light)
 
 // called when on fire

code/modules/power/power.dm

@@ -56,27 +56,27 @@
 	if(!use_power)
 		return 1
 
-	var/area/A = src.loc.loc		// make sure it's in an area
-	if(!A || !isarea(A) || !A.master)
+	var/area/A = get_area(src)		// make sure it's in an area
+	if(!A)
 		return 0					// if not, then not powered
 	if(chan == -1)
 		chan = power_channel
-	return A.master.powered(chan)	// return power status of the area
+	return A.powered(chan)	// return power status of the area
 
 // increment the power usage stats for an area
 /obj/machinery/proc/use_power(amount, chan = -1) // defaults to power_channel
 	var/area/A = get_area(src)		// make sure it's in an area
-	if(!A || !isarea(A) || !A.master)
+	if(!A)
 		return
 	if(chan == -1)
 		chan = power_channel
-	A.master.use_power(amount, chan)
+	A.use_power(amount, chan)
 
 /obj/machinery/proc/addStaticPower(value, powerchannel)
 	var/area/A = get_area(src)
-	if(!A || !A.master)
+	if(!A)
 		return
-	A.master.addStaticPower(value, powerchannel)
+	A.addStaticPower(value, powerchannel)
 
 /obj/machinery/proc/removeStaticPower(value, powerchannel)
 	addStaticPower(-value, powerchannel)