[FFmpeg-cvslog] doc/codecs: fix missing guidance in channel_layout item and remove decomissioned request_channel_layout

[Marth64]

ffmpeg | branch: master | Marth64 <marth64 at proxyid.net> | Wed Jan  3 12:54:12 2024 -0600| [de9fe17a1fcd64f70859b6fcb16d99878930ec38] | committer: Stefano Sabatini

doc/codecs: fix missing guidance in channel_layout item and remove decomissioned request_channel_layout

Signed-off-by: Marth64 <marth64 at proxyid.net>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=de9fe17a1fcd64f70859b6fcb16d99878930ec38
---

 doc/codecs.texi | 10 ++--------
 1 file changed, 2 insertions(+), 8 deletions(-)

diff --git a/doc/codecs.texi b/doc/codecs.texi
index 5b950b4560..98482ff8bf 100644
--- a/doc/codecs.texi
+++ b/doc/codecs.texi
@@ -767,15 +767,9 @@ Set rate-distortion optimal quantization.
 @item compression_level @var{integer} (@emph{encoding,audio,video})
 @item bits_per_raw_sample @var{integer}
 @item channel_layout @var{integer} (@emph{decoding/encoding,audio})
+See @ref{channel layout syntax,,the Channel Layout section in the ffmpeg-utils(1) manual,ffmpeg-utils}
+for the required syntax.
 
-Possible values:
- at table @samp
- at end table
- at item request_channel_layout @var{integer} (@emph{decoding,audio})
-
-Possible values:
- at table @samp
- at end table
 @item rc_max_vbv_use @var{float} (@emph{encoding,video})
 @item rc_min_vbv_use @var{float} (@emph{encoding,video})