Remove the Mersenne Twister from the public API/ABI.

We provide better PRNGs.

Originally committed as revision 17872 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavutil/Makefile

@@ -16,7 +16,6 @@ HEADERS = adler32.h                                                     \
           md5.h                                                         \
           mem.h                                                         \
           pixfmt.h                                                      \
-          random.h                                                      \
           rational.h                                                    \
           sha1.h