Revert "ASoC: msm: Increase Proxy buffering"

This reverts commit c8ccb274

This revert is needed because original commit breaks audio
features like Wifi Display and USB headset playback that use
proxy driver. This patch not needed as BT does not use proxy
anymore.

Signed-off-by: Liam Fernandez <liam@codeaurora.org>
Change-Id: I88ffb9822184d8f227799a97a7cbceaf2f80f769
Signed-off-by: Vidyakumar Athota <vathota@codeaurora.org>