avfilter: remove duplicate includes

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

libavfilter/avfilter.c

@@ -36,7 +36,6 @@
 #include "avfilter.h"
 #include "formats.h"
 #include "internal.h"
-#include "audio.h"
 
 static int ff_filter_frame_framed(AVFilterLink *link, AVFrame *frame);
 

libavfilter/vf_blackframe.c

@@ -33,7 +33,6 @@
 #include "libavutil/internal.h"
 #include "libavutil/opt.h"
 #include "avfilter.h"
-#include "internal.h"
 #include "formats.h"
 #include "internal.h"
 #include "video.h"

libavfilter/vf_fade.c

@@ -32,7 +32,6 @@
 #include "libavutil/pixdesc.h"
 #include "avfilter.h"
 #include "drawutils.h"
-#include "internal.h"
 #include "formats.h"
 #include "internal.h"
 #include "video.h"

libavfilter/vf_fieldorder.c

@@ -23,7 +23,6 @@
  * video field order filter, heavily influenced by vf_pad.c
  */
 
-#include "libavutil/opt.h"
 #include "libavutil/imgutils.h"
 #include "libavutil/internal.h"
 #include "libavutil/opt.h"

libavfilter/vf_format.c

@@ -31,7 +31,6 @@
 #include "libavutil/opt.h"
 
 #include "avfilter.h"
-#include "internal.h"
 #include "formats.h"
 #include "internal.h"
 #include "video.h"

libavfilter/vf_gradfun.c

@@ -37,7 +37,6 @@
 #include "libavutil/cpu.h"
 #include "libavutil/opt.h"
 #include "libavutil/pixdesc.h"
-#include "libavutil/opt.h"
 #include "avfilter.h"
 #include "formats.h"
 #include "gradfun.h"

libavfilter/vf_overlay.c

@@ -30,7 +30,6 @@
 #include "libavutil/common.h"
 #include "libavutil/eval.h"
 #include "libavutil/avstring.h"
-#include "libavutil/opt.h"
 #include "libavutil/pixdesc.h"
 #include "libavutil/imgutils.h"
 #include "libavutil/mathematics.h"

libavfilter/vf_pad.c

@@ -35,7 +35,6 @@
 #include "libavutil/colorspace.h"
 #include "libavutil/avassert.h"
 #include "libavutil/imgutils.h"
-#include "libavutil/opt.h"
 #include "libavutil/parseutils.h"
 #include "libavutil/mathematics.h"
 #include "libavutil/opt.h"

libavfilter/vf_transpose.c

@@ -28,7 +28,6 @@
 #include <stdio.h>
 
 #include "libavutil/intreadwrite.h"
-#include "libavutil/opt.h"
 #include "libavutil/pixdesc.h"
 #include "libavutil/imgutils.h"
 #include "libavutil/internal.h"