dca: Remove some commented-out cruft
Merge commit '103391ca90b2f7c56ae756d76c76f7c3dfa28dd4'

* commit '103391ca90b2f7c56ae756d76c76f7c3dfa28dd4':
  dca: Remove some commented-out cruft

Merged-by: Michael Niedermayer <michaelni@gmx.at>
swscale: Allow chroma samples to be above and to the left of luma samples

Found-by: Kierank
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
avfilter/vf_scale: Allow chroma samples to be above and to the left of luma samples

Found-by: Kierank
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>