ASoC: Intel: sof-sdw: really remove FOUR_SPEAKER quirk

Two independent GitHub PRs let to the addition of one quirk after it
was removed..

Fixes: b10cb955

 ("ASoC: Intel: sof_sdw: add quirk for Dell SKU 0C0F")
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20240426152123.36284-10-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>