misc: small fix or general refactoring i did not bother commenting

modules/wlan.go

@@ -1,68 +0,0 @@
-package modules
-
-import (
-	"sync"
-	"time"
-
-	"github.com/evilsocket/bettercap-ng/network"
-	"github.com/evilsocket/bettercap-ng/session"
-)
-
-type WLan struct {
-	sync.Mutex
-	Session   *session.Session
-	Interface *network.Endpoint
-	Stations  map[string]*WirelessStation
-}
-
-func NewWLan(s *session.Session, iface *network.Endpoint) *WLan {
-	return &WLan{
-		Session:   s,
-		Interface: iface,
-		Stations:  make(map[string]*WirelessStation),
-	}
-}
-
-func (w *WLan) List() (list []*WirelessStation) {
-	w.Lock()
-	defer w.Unlock()
-
-	list = make([]*WirelessStation, 0)
-	for _, t := range w.Stations {
-		list = append(list, t)
-	}
-	return
-}
-
-func (w *WLan) Remove(mac string) {
-	w.Lock()
-	defer w.Unlock()
-
-	if station, found := w.Stations[mac]; found {
-		w.Session.Events.Add("wifi.station.lost", station)
-		delete(w.Stations, mac)
-	}
-}
-
-func (w *WLan) AddIfNew(ssid, mac string, isAp bool, channel int) *WirelessStation {
-	w.Lock()
-	defer w.Unlock()
-
-	mac = network.NormalizeMac(mac)
-	if station, found := w.Stations[mac]; found {
-		w.Stations[mac].LastSeen = time.Now()
-		return station
-	}
-
-	newStation := NewWirelessStation(ssid, mac, isAp, channel)
-	w.Stations[mac] = newStation
-
-	w.Session.Events.Add("wifi.station.new", newStation)
-
-	return nil
-}
-
-func (w *WLan) Clear() error {
-	w.Stations = make(map[string]*WirelessStation)
-	return nil
-}