staging: rtl8188eu: Remove unused inline function _RND256()

Signed-off-by: navin patidar <navin.patidar@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8188eu/include/osdep_service.h

@@ -205,14 +205,6 @@ static inline u32 _RND128(u32 sz)
 	return val;
 }
 
-static inline u32 _RND256(u32 sz)
-{
-	u32	val;
-
-	val = ((sz >> 8) + ((sz & 255) ? 1 : 0)) << 8;
-	return val;
-}
-
 struct rtw_netdev_priv_indicator {
 	void *priv;
 	u32 sizeof_priv;