Implementing Destroy():s

First out: APCs, security camera consoles, vents.

code/ATMOSPHERICS/components/unary/vent_pump.dm

@@ -74,6 +74,10 @@
 		assign_uid()
 		id_tag = num2text(uid)
 
+/obj/machinery/atmospherics/unary/vent_pump/Destroy()
+	unregister_radio(src, frequency)
+	..()
+
 /obj/machinery/atmospherics/unary/vent_pump/high_volume
 	name = "Large Air Vent"
 	power_channel = EQUIP
@@ -211,14 +215,6 @@
 
 	return pressure_delta
 
-//Radio remote control
-
-/obj/machinery/atmospherics/unary/vent_pump/proc/set_frequency(new_frequency)
-	radio_controller.remove_object(src, frequency)
-	frequency = new_frequency
-	if(frequency)
-		radio_connection = radio_controller.add_object(src, frequency,radio_filter_in)
-
 /obj/machinery/atmospherics/unary/vent_pump/proc/broadcast_status()
 	if(!radio_connection)
 		return 0
@@ -260,7 +256,7 @@
 	radio_filter_in = frequency==1439?(RADIO_FROM_AIRALARM):null
 	radio_filter_out = frequency==1439?(RADIO_TO_AIRALARM):null
 	if(frequency)
-		set_frequency(frequency)
+		radio_connection = register_radio(src, frequency, frequency, radio_filter_in)
 		src.broadcast_status()
 
 /obj/machinery/atmospherics/unary/vent_pump/receive_signal(datum/signal/signal)