hw/smbios: Remove 'smbios_uuid_encoded', simplify smbios_encode_uuid()

'smbios_encode_uuid' is always true, remove it,
simplifying smbios_encode_uuid().

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20240617071118.60464-13-philmd@linaro.org>
1 file changed