staging: mt7621-mmc: Remove unused macro MAX_BD_PER_GPD

The macro MAX_BD_PER_GPD is never used, so remove it.
Signed-off-by: Christian Lütke-Stetzkamp <christian@lkamp.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/mt7621-mmc/sd.c

@@ -91,7 +91,6 @@
 
 #define MAX_GPD_NUM         (1 + 1)  /* one null gpd */
 #define MAX_BD_NUM          (1024)
-#define MAX_BD_PER_GPD      (MAX_BD_NUM)
 
 #define MAX_HW_SGMTS        (MAX_BD_NUM)
 #define MAX_PHY_SGMTS       (MAX_BD_NUM)