ASoC: msm: Remove i2s_pcm config settings in sdm660

I2S_PCM config as per SDM architecture is taken
care in LPAIF. It is not required to set any LPAIF
register to config I2s or PCM mode from Apps side.
Remove the code related to i2s_pcm config.

Change-Id: Ic8217b6dc178a7248979e7c2ca183286597112ad
Signed-off-by: Laxminath Kasam <lkasam@codeaurora.org>