Revert "msm: vidc: Validate userspace buffer count"

This reverts commit d613a6ae5ca0d85320561fabf928b3badfa1913c.
Revert "msm: vidc: Validate userspace buffer count before using it"

This reverts commit ac73a749b015dde50d2df11cd0c58319081acbfb.
Revert "msm: vidc: Check validity of userspace address"

This reverts commit b21135f6f508d3671b80b1c1ee2fab64c9b995ba.
Revert "msm: vidc: Initialize kernel space stack variables"

This reverts commit 963d4ed76d3ccc63c7d5ee72137c235deec13f92.
Revert "msm: vidc: Validate input data before processing"

This reverts commit 22d9920fd2708d0d59f3f3c9eedce82e12874ed8.
Revert "msm: vidc: return error in case of init failure"

This reverts commit 72c4e14791a9da5bc0dc94ced3a3f10c2dc0e833.
Revert "msm: vidc: free the recon buffers in cleanup function"

This reverts commit c71db0decbe98c54b06c3951e4fdde3ab93f6082.