Revert "Keep transcode until a replacement is implemented."
No one implemented a replacement after more than 6 years. Make sure users are not presented with a completely broken option.
This reverts commit f7d385a4.
CCBUG: 274668 BUG: 317797 BUG: 383931 BUG: 399500 BUG: 414477 BUG: 434159 BUG: 441009
Signed-off-by: Andreas Sturmlechner asturm@gentoo.org