PDA Refactor Part 1: Phantom Blood Menace

code/game/objects/items/devices/PDA/radio.dm

@@ -3,18 +3,14 @@
 	desc = "An electronic radio system of nanotrasen origin."
 	icon = 'icons/obj/module.dmi'
 	icon_state = "power_mod"
-	var/obj/item/device/pda/hostpda = null
 
 	var/on = 0 //Are we currently active??
 	var/menu_message = ""
 
 /obj/item/radio/integrated/Initialize()
 	. = ..()
-	if (istype(loc.loc, /obj/item/device/pda))
-		hostpda = loc.loc
 
 /obj/item/radio/integrated/Destroy()
-	hostpda = null
 	return ..()
 
 /*
@@ -63,4 +59,4 @@
 
 	radio_connection.post_signal(src, signal)
 
-	return
+	return