avcodec/flvdec, intelh263dec: Remove redundant assignments

ff_mpeg1_dc_scale_table is the default value for
[yc]_dc_scale_table (as set by ff_mpv_common_defaults()).

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

libavcodec/flvdec.c

@@ -108,8 +108,6 @@ int ff_flv_decode_picture_header(MpegEncContext *s)
                s->h263_flv - 1, s->qscale, s->picture_number);
     }
 
-    s->y_dc_scale_table = s->c_dc_scale_table = ff_mpeg1_dc_scale_table;
-
     return 0;
 }
 

libavcodec/intelh263dec.c

@@ -122,9 +122,6 @@ int ff_intel_h263_decode_picture_header(MpegEncContext *s)
         return AVERROR_INVALIDDATA;
     s->f_code = 1;
 
-    s->y_dc_scale_table=
-    s->c_dc_scale_table= ff_mpeg1_dc_scale_table;
-
     ff_h263_show_pict_info(s);
 
     return 0;