bigint.h: remove unused macro OVMASK.
@@ -42,7 +42,6 @@ typedef int32_t mp_limb;
typedef uint32_t mp_ulimb;
#define LMAX 0x3fffffffL
#define LC 0xc0000000L
-#define OVMASK 0x2
#define CMASK (LMAX+1)
#define HLMAX 0x7fffL
#define HCMASK (HLMAX + 1)
@@ -55,7 +54,6 @@ typedef int64_t mp_limb;
typedef uint64_t mp_ulimb;
#define LMAX 0x3fffffffffffffffLL
#define LC 0xc000000000000000LL
-#define OVMASK 0x2
#define CMASK (LMAX+1)
#define HLMAX 0x7fffffffLL
#define HCMASK (HLMAX + 1)
