Revert "msm: vidc: add control to enable Hierarchical P num layers"

This reverts commit a2e6af6f2bf5773027e87b35d8512d4b3b8449e9.
Revert "msm: vidc: Add support for MBI extradata"

This reverts commit e099261991ca68e9d42e21110f20bbf814288c2b.