staging: wilc1000: remove unused define

This patch removes INFINITE_SLEEP_TIME that is not used in the driver,
so just remove it.

Signed-off-by: Chaehyun Lim <chaehyun.lim@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/staging/wilc1000/wilc_wlan_if.h b/drivers/staging/wilc1000/wilc_wlan_if.h
index 9eb123b..83cf84d 100644
--- a/drivers/staging/wilc1000/wilc_wlan_if.h
+++ b/drivers/staging/wilc1000/wilc_wlan_if.h
@@ -96,8 +96,6 @@
 #define MAX_SSID_LEN            33
 #define MAX_RATES_SUPPORTED     12
 
-#define INFINITE_SLEEP_TIME	((u32)0xFFFFFFFF)
-
 typedef enum {
 	SUPP_RATES_IE		= 1,
 	EXT_SUPP_RATES_IE	= 50,