ASoC: amd: acp-config: Remove legacy acpi based machine struct

We have moved legacy based machine struct into platform driver to
resolve module dependency with non-SOF ALSA build, hence removed
it from acp-config driver module.

Signed-off-by: Ajit Kumar Pandey <AjitKumar.Pandey@amd.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Signed-off-by: Daniel Baluta <daniel.baluta@nxp.com>
Link: https://lore.kernel.org/r/20211117093734.17407-11-daniel.baluta@oss.nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>