aa7f5fcc

Author: Michael Lynch <git@mtlynch.io>

Committer: Michael Lynch <mtlynch@noreply.codeberg.org>

Drop redundant animated AVIF encoder pre-check (#214)

Port only the AVIF portion of d3e7476 from import-webm. Let the ffmpeg
conversion command report encoder and executable failures directly.

Reviewed-on: https://codeberg.org/mtlynch/little-moments/pulls/214