ASoC: samsung: snow: remove useless test

cppcheck warning:

sound/soc/samsung/snow.c:112:2: style:inconclusive: Found duplicate
branches for 'if' and 'else'. [duplicateBranch]
 if (rtd->num_codecs > 1)
 ^
sound/soc/samsung/snow.c:114:2: note: Found duplicate branches for
'if' and 'else'.
 else
 ^
sound/soc/samsung/snow.c:112:2: note: Found duplicate branches for
'if' and 'else'.
 if (rtd->num_codecs > 1)
 ^

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Fixes: 7de6b6bc ("ASoC: samsung: use asoc_rtd_to_cpu() / asoc_rtd_to_codec() macro for DAI pointer")
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20210219230918.5058-5-pierre-louis.bossart@linux.intel.com


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