staging: wilc1000: wilc_wfi_netdevice: Remove header files

Remove duplicate header files. Found using includecheck.
Signed-off-by: Amitoj Kaur Chawla <amitoj1606@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/wilc1000/wilc_wfi_netdevice.h

@@ -35,8 +35,6 @@
 #include <linux/skbuff.h>
 #include <linux/ieee80211.h>
 #include <net/cfg80211.h>
-#include <linux/ieee80211.h>
-#include <net/cfg80211.h>
 #include <net/ieee80211_radiotap.h>
 #include <linux/if_arp.h>
 #include <linux/in6.h>