drm/amd/display: remove unused mmhub_reg_offsets

[Why & How]
mmhub_reg_offsets never used in code. Remove it.
Reviewed-by: Rodrigo Siqueira <rodrigo.siqueira@amd.com>
Acked-by: Wayne Lin <wayne.lin@amd.com>
Signed-off-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/dcn35/dcn35_resource.c

@@ -205,16 +205,6 @@ enum dcn35_clk_src_array_id {
 	REG_STRUCT[id].reg_name = NBIO_BASE(regBIF_BX2_ ## reg_name ## _BASE_IDX) + \
 		regBIF_BX2_ ## reg_name
 
-/* MMHUB */
-#define MMHUB_BASE_INNER(seg) ctx->mmhub_reg_offsets[seg]
-
-#define MMHUB_BASE(seg) \
-	MMHUB_BASE_INNER(seg)
-
-#define MMHUB_SR(reg_name)\
-		REG_STRUCT.reg_name = MMHUB_BASE(reg ## reg_name ## _BASE_IDX) + \
-					reg ## reg_name
-
 #define bios_regs_init() \
 		( \
 		NBIO_SR(BIOS_SCRATCH_3),\