bfin: dsputil: Drop broken vsad bits

They were marked as broken and disabled in 2009 and will never get fixed.

libavcodec/bfin/dsputil_bfin.c

@@ -57,15 +57,6 @@ static int bfin_pix_abs16 (void *c, uint8_t *blk1, uint8_t *blk2, int line_size,
     return ff_bfin_z_sad16x16 (blk1,blk2,line_size,line_size,h);
 }
 
-static int bfin_vsad_intra16 (void *c, uint8_t *blk1, uint8_t *dummy, int stride, int h) {
-    return ff_bfin_z_sad16x16 (blk1,blk1+stride,stride<<1,stride<<1,h);
-}
-
-static int bfin_vsad (void *c, uint8_t *blk1, uint8_t *blk2, int stride, int h) {
-    return ff_bfin_z_sad16x16 (blk1,blk1+stride,stride<<1,stride<<1,h)
-        + ff_bfin_z_sad16x16 (blk2,blk2+stride,stride<<1,stride<<1,h);
-}
-
 static uint8_t vtmp_blk[256] attribute_l1_data_b;
 
 static int bfin_pix_abs16_x2 (void *c, uint8_t *blk1, uint8_t *blk2, int line_size, int h)
@@ -138,9 +129,6 @@ av_cold void ff_dsputil_init_bfin(DSPContext *c, AVCodecContext *avctx)
     c->sad[0]             = bfin_pix_abs16;
     c->sad[1]             = bfin_pix_abs8;
 
-/*     c->vsad[0]            = bfin_vsad; */
-/*     c->vsad[4]            = bfin_vsad_intra16; */
-
     /* TODO [0] 16  [1] 8 */
     c->pix_abs[0][0] = bfin_pix_abs16;
     c->pix_abs[0][1] = bfin_pix_abs16_x2;