ASoC: Intel: sof_ssp_amp: remove hdac-hdmi support

Remove hdac-hdmi support code since we are now using
snd-hda-codec-hdmi codec driver for hdmi.

Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Signed-off-by: Brent Lu <brent.lu@intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20231012190826.142619-12-pierre-louis.bossart@linux.intel.com


Signed-off-by: Mark Brown <broonie@kernel.org>