Revert "mm-video: vidc: vdec: advertise color formats based on usage hint"

 * We're not ready for this, and it's breaking CTS.

This reverts commit db7776ffce0150dc2930f24e06f11d82d5d9868f.

Change-Id: Id32c5ba73d3ac758744798fa2b1f805bf0fb61a3