staging: rtl8188eu: Remove unused inline function _RND512()

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

@@ -222,14 +222,6 @@ static inline u32 _RND256(u32 sz)
 	return val;
 }
 
-static inline u32 _RND512(u32 sz)
-{
-	u32	val;
-
-	val = ((sz >> 9) + ((sz & 511) ? 1 : 0)) << 9;
-	return val;
-}
-
 static inline u32 bitshift(u32 bitmask)
 {
 	u32 i;