Revert "drm/msm/sde: ensure all local atomic states get freed"

This reverts commit 02708c62.
Original change is causing regression with certain test cases.
Revert while cause of issue is under debug.

Change-Id: If99a05b21aa8eee3a725a1a36c1dce876c0e2a6f
Signed-off-by: Steve Cohen <cohens@codeaurora.org>