* gnu/packages/patches/ffmpeg-remove-compressed_ten_bit_format.patch: New patch.
* gnu/local.mk (dist_patch_DATA): Register it.
* gnu/packages/video.scm (ffmpeg-4): Use it.
(ffmpeg-3.4, ffmpeg-2.8): Use ffmpeg-4-binutils-2.41.patch.
Change-Id: Idaf1d80f33530ba6d8c3c60b284dc08e522ec220
