Remove obsolete version.h inclusions

These have mostly been added because of FF_API_*; yet when these were
removed, removing the header has been forgotten.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>

libavcodec/codec_desc.c

@@ -27,7 +27,6 @@
 #include "codec_id.h"
 #include "codec_desc.h"
 #include "profiles.h"
-#include "version.h"
 
 #define MT(...) (const char *const[]){ __VA_ARGS__, NULL }