huffyuv: remove long time disabled code

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

libavcodec/huffyuv.c

@@ -395,7 +395,6 @@ static int read_huffman_tables(HYuvContext *s, const uint8_t *src, int length){
 }
 
 static int read_old_huffman_tables(HYuvContext *s){
-#if 1
     GetBitContext gb;
     int i;
 
@@ -424,10 +423,6 @@ static int read_old_huffman_tables(HYuvContext *s){
     generate_joint_tables(s);
 
     return 0;
-#else
-    av_log(s->avctx, AV_LOG_DEBUG, "v1 huffyuv is not supported \n");
-    return -1;
-#endif
 }
 
 static av_cold void alloc_temp(HYuvContext *s){