staging: vt6656: remove unneeded config and headers

Remove WIRELESS_EXT and WEXT_PRIV

remove net/iw_handler.h, linux/etherdevice.h and net/cfg80211.h
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/vt6656/Kconfig

 config VT6656
 	tristate "VIA Technologies VT6656 support"
 	depends on MAC80211 && USB && WLAN && m
-	select WIRELESS_EXT
-	select WEXT_PRIV
 	select FW_LOADER
 	---help---
 	This is a vendor-written driver for VIA VT6656.

drivers/staging/vt6656/device.h

@@ -35,12 +35,9 @@
 #include <linux/delay.h>
 #include <linux/device.h>
 #include <linux/firmware.h>
-#include <linux/etherdevice.h>
 #include <linux/suspend.h>
 #include <linux/if_arp.h>
 #include <linux/wireless.h>
-#include <net/iw_handler.h>
-#include <net/cfg80211.h>
 #include <linux/timer.h>
 #include <linux/usb.h>
 #include <linux/crc32.h>