r210enc and y41penc: don't set same pkt->size twice

Signed-off-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

libavcodec/r210enc.c

@@ -75,7 +75,6 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
         src_line += pic->linesize[0];
     }
 
-    pkt->size   = 4 * aligned_width * avctx->height;
     pkt->flags |= AV_PKT_FLAG_KEY;
     *got_packet = 1;
     return 0;

libavcodec/y41penc.c

@@ -80,7 +80,6 @@ static int y41p_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
         }
     }
 
-    pkt->size   = 1.5 * avctx->width * avctx->height;
     pkt->flags |= AV_PKT_FLAG_KEY;
     *got_packet = 1;
     return 0;