Revert "msm: vidc: Fix iommu pagefault in concurrent scenario"

This reverts commit 32dd0132244d8acfc394bdf23d801f2e0d20683f.
Revert "msm: vidc: Add support for NV21 color format encoding"

This reverts commit b6e7c5180e623e3dc46946c368b4140886244cef.
Revert "msm: vidc: Allow client to request sps/pps per IDR frame"

This reverts commit 5408456b38522e3905fac0be853c9bb7b8d08268.
Revert "vidc: Correct start and stop sequence."

This reverts commit 0140f77a4ac96167df790e66c927329f56d55258.
Revert "vidc: Add secure node support for encoder."

This reverts commit 5c2f835268b725aa25826822b942e3d64c35c5ef.