Revert "12/21 modernizations from TG live"

code/modules/power/monitor.dm

@@ -7,6 +7,7 @@
 	idle_power_usage = 20
 	active_power_usage = 100
 	circuit = /obj/item/weapon/circuitboard/computer/powermonitor
+	light_color = LIGHT_COLOR_ORANGE
 
 	var/obj/structure/cable/attached
 
@@ -68,14 +69,9 @@
 	for(var/obj/machinery/power/terminal/term in attached.powernet.nodes)
 		var/obj/machinery/power/apc/A = term.master
 		if(istype(A))
-			var/cell_charge
-			if(!A.cell)
-				cell_charge = 0
-			else
-				cell_charge = A.cell.percent()
 			data["areas"] += list(list(
 				"name" = A.area.name,
-				"charge" = cell_charge,
+				"charge" = A.cell.percent(),
 				"load" = A.lastused_total,
 				"charging" = A.charging,
 				"eqp" = A.equipment,