Remove incorrect and unneeded code

Originally committed as revision 10834 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/vc1.c

@@ -3096,7 +3096,6 @@ static int vc1_decode_p_mb(VC1Context *v)
                     s->dsp.vc1_inv_trans_8x8(s->block[i]);
                     if(v->rangeredfrm) for(j = 0; j < 64; j++) s->block[i][j] <<= 1;
                     for(j = 0; j < 64; j++) s->block[i][j] += 128;
-                    if(!v->res_fasttx && v->res_x8) for(j = 0; j < 64; j++) s->block[i][j] += 16;
                     s->dsp.put_pixels_clamped(s->block[i], s->dest[dst_idx] + off, s->linesize >> ((i & 4) >> 2));
                     if(v->pq >= 9 && v->overlap) {
                         if(v->c_avail)
@@ -3200,7 +3199,6 @@ static int vc1_decode_p_mb(VC1Context *v)
                     s->dsp.vc1_inv_trans_8x8(s->block[i]);
                     if(v->rangeredfrm) for(j = 0; j < 64; j++) s->block[i][j] <<= 1;
                     for(j = 0; j < 64; j++) s->block[i][j] += 128;
-                    if(!v->res_fasttx && v->res_x8) for(j = 0; j < 64; j++) s->block[i][j] += 16;
                     s->dsp.put_pixels_clamped(s->block[i], s->dest[dst_idx] + off, (i&4)?s->uvlinesize:s->linesize);
                     if(v->pq >= 9 && v->overlap) {
                         if(v->c_avail)
@@ -3464,7 +3462,6 @@ static void vc1_decode_i_blocks(VC1Context *v)
                 vc1_decode_i_block(v, s->block[k], k, val, (k<4)? v->codingset : v->codingset2);
 
                 s->dsp.vc1_inv_trans_8x8(s->block[k]);
-                if(!v->res_fasttx && !v->res_x8) for(j = 0; j < 64; j++) s->block[k][j] -= 16;
                 if(v->pq >= 9 && v->overlap) {
                     for(j = 0; j < 64; j++) s->block[k][j] += 128;
                 }