sb/amd/agesa/hudson/sm.c: Drop unused `BITx` macros

Tested with BUILD_TIMELESS=1, Lenovo G505s remains identical.

Change-Id: I759bdef44f7ca0f35350901998f6820820005b38
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/50423
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
diff --git a/src/southbridge/amd/agesa/hudson/sm.c b/src/southbridge/amd/agesa/hudson/sm.c
index a6b1464..6f9e03c 100644
--- a/src/southbridge/amd/agesa/hudson/sm.c
+++ b/src/southbridge/amd/agesa/hudson/sm.c
@@ -14,41 +14,6 @@
 #define MAINBOARD_POWER_OFF 0
 #define MAINBOARD_POWER_ON 1
 
-#define BIT0	(1 << 0)
-#define BIT1	(1 << 1)
-#define BIT2	(1 << 2)
-#define BIT3	(1 << 3)
-#define BIT4	(1 << 4)
-#define BIT5	(1 << 5)
-#define BIT6	(1 << 6)
-#define BIT7	(1 << 7)
-
-#define BIT8	(1 << 8)
-#define BIT9	(1 << 9)
-#define BIT10	(1 << 10)
-#define BIT11	(1 << 11)
-#define BIT12	(1 << 12)
-#define BIT13	(1 << 13)
-#define BIT14	(1 << 14)
-#define BIT15	(1 << 15)
-
-#define BIT16	(1 << 16)
-#define BIT17	(1 << 17)
-#define BIT18	(1 << 18)
-#define BIT19	(1 << 19)
-#define BIT20	(1 << 20)
-#define BIT21	(1 << 21)
-#define BIT22	(1 << 22)
-#define BIT23	(1 << 23)
-#define BIT24	(1 << 24)
-#define BIT25	(1 << 25)
-#define BIT26	(1 << 26)
-#define BIT27	(1 << 27)
-#define BIT28	(1 << 28)
-#define BIT29	(1 << 29)
-#define BIT30	(1 << 30)
-#define BIT31	(1 << 31)
-
 /*
 * HUDSON enables all USB controllers by default in SMBUS Control.
 * HUDSON enables SATA by default in SMBUS Control.