deps/media-playback: Remove unused #define

deps/media-playback/media-playback/decode.h

@@ -44,12 +44,6 @@ extern "C" {
 #define CODEC_FLAG_TRUNC CODEC_FLAG_TRUNCATED
 #endif
 
-#if LIBAVUTIL_VERSION_INT >= AV_VERSION_INT(54, 31, 100)
-#define AV_PIX_FMT_VDTOOL AV_PIX_FMT_VIDEOTOOLBOX
-#else
-#define AV_PIX_FMT_VDTOOL AV_PIX_FMT_VDA_VLD
-#endif
-
 struct mp_media;
 
 struct mp_decode {