staging: wilc1000: wilc_wfi_netdevice.c: remove unused variable

Remove variable that is defined but never used.
Signed-off-by: Chaehyun Lim <chaehyun.lim@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/wilc1000/wilc_wfi_netdevice.c

@@ -873,7 +873,6 @@ int WILC_WFI_InitModule(void)
 	int result, i, ret = -ENOMEM;
 	struct WILC_WFI_priv *priv[2], *netpriv;
 	struct wireless_dev *wdev;
-	char buf[IFNAMSIZ];
 
 	WILC_WFI_Interrupt = use_napi ? WILC_WFI_NapiInterrupt : WILC_WFI_RegularInterrupt;