configure, libavcodec/Makefile: Remove spurious CAF demuxer dependencies

Forgotten in 604fbb3132.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>

configure

@@ -3309,7 +3309,7 @@ asf_stream_muxer_select="asf_muxer"
 av1_demuxer_select="av1_frame_merge_bsf av1_parser"
 avi_demuxer_select="iso_media riffdec exif"
 avi_muxer_select="riffenc"
-caf_demuxer_select="iso_media riffdec"
+caf_demuxer_select="iso_media"
 caf_muxer_select="iso_media"
 dash_muxer_select="mp4_muxer"
 dash_demuxer_deps="libxml2"

libavcodec/Makefile

@@ -976,7 +976,6 @@ OBJS-$(CONFIG_VP8_QSV_HWACCEL)            += qsvdec.o
 OBJS-$(CONFIG_ISO_MEDIA)               += mpeg4audio.o mpegaudiodata.o
 
 OBJS-$(CONFIG_ADTS_MUXER)              += mpeg4audio.o
-OBJS-$(CONFIG_CAF_DEMUXER)             += ac3tab.o
 OBJS-$(CONFIG_CODEC2_DEMUXER)          += codec2utils.o
 OBJS-$(CONFIG_CODEC2_MUXER)            += codec2utils.o
 OBJS-$(CONFIG_CODEC2RAW_DEMUXER)       += codec2utils.o