Revert "soc: qcom: rpmh: Invalidate SLEEP and WAKE TCSes before flushing new data"

This reverts commit 9e56b18c.

This is a preparation change for merging android-5.4.54 into
msm-5.4 branch. Revert this change to continue using existing
driver that is already supporting same functionality being
added in this change.

Change-Id: I32ecd526576d56f3b1be206298dd7eb414c23f58
Signed-off-by: Blagovest Kolenichev <bkolenichev@codeaurora.org>