staging:r8188eu: remove unused EOR macro

EOR macro is not unused, remove it.
Signed-off-by: Ivan Safonov <insafonov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8188eu/include/rtw_recv.h

@@ -151,8 +151,6 @@ struct recv_stat {
 	__le32 rxdw5;
 };
 
-#define EOR BIT(30)
-
 /*
 accesser of recv_priv: rtw_recv_entry(dispatch / passive level);
 recv_thread(passive) ; returnpkt(dispatch)