Revert "msm: vidc: Initialize kernel space stack variables"

This reverts commit 683946138956a5ed859055e022f97cc46be0de02.
Revert "vidc: update to caf jb-1.9.6"

This reverts commit a0daf21ca969abd25da8a386984f682a980151bb.
Revert "update vidc to jb_chocolate"

This reverts commit 95c93187322d253719381d1ea7ea6ca9a2ab24ac.