doc: remove docs for options removed at the bump

Signed-off-by: Marton Balint <cus@passwd.hu>

doc/encoders.texi

@@ -1949,22 +1949,6 @@ Set the number of slices, used in parallelized encoding. Default value
 is 0. This is only used when @option{slice_mode} is set to
 @samp{fixed}.
 
-@item slice_mode
-Set slice mode. Can assume one of the following possible values:
-
-@table @samp
-@item fixed
-a fixed number of slices
-@item rowmb
-one slice per row of macroblocks
-@item auto
-automatic number of slices according to number of threads
-@item dyn
-dynamic slicing
-@end table
-
-Default value is @samp{auto}.
-
 @item loopfilter
 Enable loop filter, if set to 1 (automatically enabled). To disable
 set a value of 0.

doc/filters.texi

@@ -26943,11 +26943,6 @@ Specify the frame rate expected for the video stream.
 @item pixel_aspect, sar
 The sample (pixel) aspect ratio of the input video.
 
-@item sws_param
-This option is deprecated and ignored. Prepend @code{sws_flags=@var{flags};}
-to the filtergraph description to specify swscale flags for automatically
-inserted scalers. See @ref{Filtergraph syntax}.
-
 @item hw_frames_ctx
 When using a hardware pixel format, this should be a reference to an
 AVHWFramesContext describing input frames.

doc/muxers.texi

@@ -795,12 +795,6 @@ deletes them. Increase this to allow continue clients to download segments which
 were recently referenced in the playlist. Default value is 1, meaning segments older than
 @code{hls_list_size+1} will be deleted.
 
-@item hls_ts_options @var{options_list}
-Set output format options using a :-separated list of key=value
-parameters. Values containing @code{:} special characters must be
-escaped.
-@code{hls_ts_options} is deprecated, use hls_segment_options instead of it..
-
 @item hls_start_number_source
 Start the playlist sequence number (@code{#EXT-X-MEDIA-SEQUENCE}) according to the specified source.
 Unless @code{hls_flags single_file} is set, it also specifies source of starting sequence numbers of