staging: sm750fb: remove unused MB(x) and KB(x) macros

The MB(x) and KB(x) macros are not used and therefore they can be
removed
Signed-off-by: Mike Rapoport <mike.rapoport@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/sm750fb/sm750.h

@@ -7,7 +7,6 @@
 /* please use revision id to distinguish sm750le and sm750*/
 #define SPC_SM750 0
 
-#define MB(x) ((x)<<20)
 #define MHZ(x) ((x) * 1000000)
 /* align should be 2,4,8,16 */
 #define PADDING(align, data) (((data)+(align)-1)&(~((align) - 1)))

drivers/staging/sm750fb/sm750_help.h

@@ -81,8 +81,6 @@ static inline unsigned int absDiff(unsigned int a, unsigned int b)
 
 /* n / d + 1 / 2 = (2n + d) / 2d */
 #define roundedDiv(num, denom)	((2 * (num) + (denom)) / (2 * (denom)))
-#define MB(x) ((x)<<20)
-#define KB(x) ((x)<<10)
 #define MHz(x) ((x) * 1000000)