diracdec: remove unused dsputil context

Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

libavcodec/diracdec.c

@@ -27,7 +27,6 @@
  */
 
 #include "avcodec.h"
-#include "dsputil.h"
 #include "get_bits.h"
 #include "bytestream.h"
 #include "internal.h"
@@ -138,7 +137,6 @@ typedef struct Plane {
 
 typedef struct DiracContext {
     AVCodecContext *avctx;
-    DSPContext dsp;
     MpegvideoEncDSPContext mpvencdsp;
     DiracDSPContext diracdsp;
     GetBitContext gb;
@@ -425,7 +423,6 @@ static av_cold int dirac_decode_init(AVCodecContext *avctx)
     s->avctx = avctx;
     s->frame_number = -1;
 
-    ff_dsputil_init(&s->dsp, avctx);
     ff_diracdsp_init(&s->diracdsp);
     ff_mpegvideoencdsp_init(&s->mpvencdsp, avctx);