ASoC: rt1017: Remove unused function

ASoC: rt1017: Remove unused function

The function are defined in the rt1017-sdca-sdw.h file, but not called
elsewhere, so delete the unused functions.

sound/soc/codecs/rt1017-sdca-sdw.h:183:33: warning: ‘rt1017_sdca_mbq_defaults’ defined but not used.

Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=5998
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Link: https://lore.kernel.org/r/20230727021632.88912-1-jiapeng.chong@linux.alibaba.com
Signed-off-by: Mark Brown <broonie@kernel.org>