drm/amdgpu/virtual_dce: drop error message in hw_init

No need to add new asic cases.  This is a sw display
implementation, so just drop the error message so when
we add new asics, all we have to do is add the virtual
dce IP module.
Reviewed-by: Xiaojie Yuan <xiaojie.yuan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/dce_virtual.c

@@ -454,17 +454,8 @@ static int dce_virtual_hw_init(void *handle)
 #endif
 		/* no DCE */
 		break;
-	case CHIP_VEGA10:
-	case CHIP_VEGA12:
-	case CHIP_VEGA20:
-	case CHIP_ARCTURUS:
-	case CHIP_RENOIR:
-	case CHIP_NAVI10:
-	case CHIP_NAVI14:
-	case CHIP_NAVI12:
-		break;
 	default:
-		DRM_ERROR("Virtual display unsupported ASIC type: 0x%X\n", adev->asic_type);
+		break;
 	}
 	return 0;
 }