Remove useless header inclusion.

git-svn-id: file:///var/local/repositories/ffmpeg/trunk@22851 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

libavcodec/alacenc.c

@@ -20,7 +20,6 @@
  */
 
 #include "avcodec.h"
-#include "get_bits.h"
 #include "put_bits.h"
 #include "dsputil.h"
 #include "lpc.h"