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

modules/wlan_station.go

@@ -1,27 +0,0 @@
-package modules
-
-import (
-	"github.com/evilsocket/bettercap-ng/network"
-)
-
-type WirelessStation struct {
-	*network.Endpoint
-	IsAP    bool
-	Channel int
-}
-
-func NewWirelessStation(essid, bssid string, isAp bool, channel int) *WirelessStation {
-	return &WirelessStation{
-		Endpoint: network.NewEndpointNoResolve(network.MonitorModeAddress, bssid, essid, 0),
-		IsAP:     isAp,
-		Channel:  channel,
-	}
-}
-
-func (s WirelessStation) BSSID() string {
-	return s.HwAddress
-}
-
-func (s *WirelessStation) ESSID() string {
-	return s.Hostname
-}