Converted emitter remote control

Also converted crematoriums, although they are not working at the moment.
Removed redundant wireless manager file.

code/modules/wireless/devices.dm

@@ -0,0 +1,37 @@
+/datum/wifi/receiver/button
+	var/obj/parent
+
+/datum/wifi/receiver/button/proc/activate(mob/living/user)
+
+
+/datum/wifi/sender/button/proc/activate(mob/living/user)
+	for(var/datum/wifi/receiver/button/B in connected_devices)
+		B.activate(user)
+
+//-------------------------------
+// Emitter
+//-------------------------------
+/datum/wifi/receiver/button/emitter/New(var/new_id, var/obj/machinery/power/emitter/E)
+	id = new_id
+	if(istype(E))
+		parent = E
+	..()
+
+/datum/wifi/receiver/button/emitter/activate(mob/living/user)
+	..()
+	var/obj/machinery/power/emitter/E = parent
+	E.activate(user)
+
+//-------------------------------
+// Crematorium
+//-------------------------------
+/datum/wifi/receiver/button/crematorium/New(var/new_id, var/obj/structure/crematorium/C)
+	id = new_id
+	if(istype(C))
+		parent = C
+	..()
+
+/datum/wifi/receiver/button/crematorium/activate(mob/living/user)
+	..()
+	var/obj/structure/crematorium/C = parent
+	C.cremate(user)

code/modules/wireless/manager.dm

@@ -1,47 +0,0 @@
-/datum/wifi_manager
-	var/list/pending_connections
-	var/list/receiver_list
-	var/list/failed_connections
-
-/datum/wifi_manager/New()
-	pending_connections = new()
-	receiver_list = new()
-	failed_connections = new()
-
-/datum/wifi_manager/proc/add_device(var/datum/wifi/receiver/R)
-	receiver_list |= R
-
-/datum/wifi_manager/proc/remove_device(var/datum/wifi/receiver/R)
-	receiver_list -= R
-
-/datum/wifi_manager/proc/add_request(var/datum/connection_request/C)
-	pending_connections += C
-
-/datum/wifi_manager/proc/process()
-	//check any failed connections from the previous pass
-	if(failed_connections.len > 0)
-		for(var/datum/connection_request/C in failed_connections)
-			var/target_found = 0
-			for(var/datum/wifi/receiver/R in receiver_list)
-				if(R.id == C.target)
-					var/datum/wifi/sender/S = C.source
-					S.connect_device(R)
-					R.connect_device(S)
-					target_found = 1
-			failed_connections -= C
-			if(!target_found)
-				log_debug("[C.source] could not connect to \"[C.target]\"")
-
-	//check and try assigning any pending connections
-	if(pending_connections.len > 0)
-		for(var/datum/connection_request/C in pending_connections)
-			var/target_found = 0
-			for(var/datum/wifi/receiver/R in receiver_list)
-				if(R.id == C.target)
-					var/datum/wifi/sender/S = C.source
-					S.connect_device(R)
-					R.connect_device(S)
-					target_found = 1
-			pending_connections -= C
-			if(!target_found)
-				failed_connections += C