staging: rtl8723au: Remove local #define BIT()

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/staging/rtl8723au/include/osdep_service.h b/drivers/staging/rtl8723au/include/osdep_service.h
index 86f3452..e6b14cc 100644
--- a/drivers/staging/rtl8723au/include/osdep_service.h
+++ b/drivers/staging/rtl8723au/include/osdep_service.h
@@ -72,9 +72,6 @@
 		netif_tx_queue_stopped(netdev_get_tx_queue(pnetdev, 3)) );
 }
 
-#ifndef BIT
-#define BIT(x)	( 1 << (x))
-#endif
 static inline u32 CHKBIT(u32 x)
 {
 	WARN_ON(x >= 32);