Revert "codec2: add dequeue thread loop to recycle output buffers"

This reverts commit fec9858bc46a83fc361574cb71bf3bfa240321aa.

Reason for revert: this will break pi-arc-dev cheets build

Bug: 79239042
Change-Id: Ief810ff6d8b03db859407f0ea08d54ae210dffb0
3 files changed