Revert "sound/soc/msm: merge with newer MSM-3.10 sources (Revert me!)"

This reverts commit 0d7f7c68436b473e964be18597bf22e325cf7f43.
Revert "sound/soc/msm: mass update (Revert me!)"

This reverts commit 0b9fd1072e84535aab25012e7333df88e2a80320.
Revert "sound/soc/msm: replace msm-pcm-routing with v2 (Revert me!)"

This reverts commit 07ebb89e482f5d591f0041698405fd747f1290b0.
mach-msm: cleanups

Cleanup unused code.