Remove unnecessary header #includes.

Extracted from a patch by Erik Hovland, erik hovland org.

Originally committed as revision 13531 to svn://svn.ffmpeg.org/ffmpeg/trunk

ffmpeg.c

@@ -55,7 +55,6 @@
 #undef time //needed because HAVE_AV_CONFIG_H is defined on top
 #include <time.h>
 
-#include "version.h"
 #include "cmdutils.h"
 
 #undef NDEBUG

ffplay.c

@@ -27,7 +27,6 @@
 #include "libavdevice/avdevice.h"
 #include "libswscale/swscale.h"
 
-#include "version.h"
 #include "cmdutils.h"
 
 #include <SDL.h>

ffserver.c

@@ -50,7 +50,6 @@
 #include <dlfcn.h>
 #endif
 
-#include "version.h"
 #include "ffserver.h"
 #include "cmdutils.h"
 

libavformat/siff.c

@@ -20,7 +20,6 @@
  */
 
 #include "avformat.h"
-#include "riff.h"
 
 enum SIFFTags{
     TAG_SIFF = MKTAG('S', 'I', 'F', 'F'),

libavformat/smacker.c

@@ -25,7 +25,6 @@
 
 #include "libavutil/bswap.h"
 #include "avformat.h"
-#include "riff.h"
 
 #define SMACKER_PAL 0x01
 #define SMACKER_FLAG_RING_FRAME 0x01

libavformat/sol.c

@@ -26,7 +26,6 @@
 #include "libavutil/bswap.h"
 #include "avformat.h"
 #include "raw.h"
-#include "riff.h"
 
 /* if we don't know the size in advance */
 #define AU_UNKNOWN_SIZE ((uint32_t)(~0))

vhook/watermark.c

@@ -62,7 +62,6 @@
 #include "libavformat/avformat.h"
 #include "libavformat/framehook.h"
 #include "libswscale/swscale.h"
-#include "cmdutils.h"
 
 static int sws_flags = SWS_BICUBIC;