lavf: remove disabled FF_API_STREAM_COPY cruft

libavformat/avformat.h

@@ -562,10 +562,6 @@ typedef struct AVStream {
     AVRational time_base;
 #if FF_API_REORDER_PRIVATE
     int pts_wrap_bits; /**< number of bits in pts (used for wrapping control) */
-#endif
-#if FF_API_STREAM_COPY
-    /* ffmpeg.c private use */
-    attribute_deprecated int stream_copy; /**< If set, just copy stream. */
 #endif
     enum AVDiscard discard; ///< Selects which packets can be discarded at will and do not need to be demuxed.
 

libavformat/version.h

@@ -47,9 +47,6 @@
  * Those FF_API_* defines are not part of public API.
  * They may change, break or disappear at any time.
  */
-#ifndef FF_API_STREAM_COPY
-#define FF_API_STREAM_COPY             (LIBAVFORMAT_VERSION_MAJOR < 54)
-#endif
 #ifndef FF_API_SEEK_PUBLIC
 #define FF_API_SEEK_PUBLIC             (LIBAVFORMAT_VERSION_MAJOR < 54)
 #endif