drm/amdkfd: Delete unused KFD_IS_* macro

These were deleted before, but somehow showed up again. Delete them again.
Signed-off-by: NYong Zhao <Yong.Zhao@amd.com>
Acked-by: NAlex Deucher <alexander.deucher@amd.com>
Reviewed-by: NFelix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdkfd/kfd_priv.h

@@ -179,10 +179,6 @@ enum cache_policy {
 	cache_policy_noncoherent
 };
 
-#define KFD_IS_VI(chip) ((chip) >= CHIP_CARRIZO && (chip) <= CHIP_POLARIS11)
-#define KFD_IS_DGPU(chip) (((chip) >= CHIP_TONGA && \
-			   (chip) <= CHIP_NAVI10) || \
-			   (chip) == CHIP_HAWAII)
 #define KFD_IS_SOC15(chip) ((chip) >= CHIP_VEGA10)
 
 struct kfd_event_interrupt_class {