Revert "ASoC: msm: Support independent left-right channel volume control"

This reverts commit cc650771d74adbfac3e72bb99b45708f5b727f0a.

Doing this to follow D2.
Raise MDP Bandwidth requirements
* Bump up MDP bandwidth requirements to solve flickering issues.
from D2 commit 41f55d87458439a481cf587aabd78c952509aab9