drm/amd/pm: remove logically dead code for renoir

The switch governing value clk_type cannot be SMU_GFXCLK and SMU_SCLK.

Fixes: ca55f459 ("drm/amd/pm: add the fine grain tuning function for Renoir")
Signed-off-by: Jesse Zhang <Jesse.Zhang@amd.com>
Reviewed-by: Yang Wang <kevinyang.wang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/pm/swsmu/smu12/renoir_ppt.c

@@ -585,8 +585,6 @@ static int renoir_print_clk_levels(struct smu_context *smu,
 	}
 
 	switch (clk_type) {
-	case SMU_GFXCLK:
-	case SMU_SCLK:
 	case SMU_SOCCLK:
 	case SMU_MCLK:
 	case SMU_DCEFCLK: