h264data: Remove unused luma_dc_field_scan table

libavcodec/h264data.h

@@ -73,13 +73,6 @@ static const uint8_t luma_dc_zigzag_scan[16] = {
     3 * 16 + 1 * 64, 1 * 16 + 3 * 64, 2 * 16 + 3 * 64, 3 * 16 + 3 * 64,
 };
 
-static const uint8_t luma_dc_field_scan[16] = {
-    0 * 16 + 0 * 64, 2 * 16 + 0 * 64, 1 * 16 + 0 * 64, 0 * 16 + 2 * 64,
-    2 * 16 + 2 * 64, 3 * 16 + 0 * 64, 1 * 16 + 2 * 64, 3 * 16 + 2 * 64,
-    0 * 16 + 1 * 64, 2 * 16 + 1 * 64, 0 * 16 + 3 * 64, 2 * 16 + 3 * 64,
-    1 * 16 + 1 * 64, 3 * 16 + 1 * 64, 1 * 16 + 3 * 64, 3 * 16 + 3 * 64,
-};
-
 static const uint8_t chroma_dc_scan[4] = {
     (0 + 0 * 2) * 16, (1 + 0 * 2) * 16,
     (0 + 1 * 2) * 16, (1 + 1 * 2) * 16,