avcodec: fix duplicate includes

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

libavcodec/cabac.c

@@ -174,7 +174,6 @@ void ff_init_cabac_states(void)
 
 #include "libavutil/lfg.h"
 #include "avcodec.h"
-#include "cabac.h"
 
 static inline void put_cabac_bit(CABACContext *c, int b){
     put_bits(&c->pb, 1, b);

libavcodec/dnxhdenc.c

@@ -33,7 +33,6 @@
 #include "internal.h"
 #include "mpegvideo.h"
 #include "dnxhdenc.h"
-#include "internal.h"
 
 #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
 #define DNX10BIT_QMAT_SHIFT 18 // The largest value that will not lead to overflow for 10bit samples.

libavcodec/g723_1.c

@@ -30,7 +30,6 @@
 #include "libavutil/mem.h"
 #include "libavutil/opt.h"
 #include "avcodec.h"
-#include "internal.h"
 #include "get_bits.h"
 #include "acelp_vectors.h"
 #include "celp_filters.h"

libavcodec/msmpeg4enc.c

@@ -34,7 +34,6 @@
 #include "libavutil/avutil.h"
 #include "libavutil/mem.h"
 #include "mpegvideo.h"
-#include "msmpeg4.h"
 #include "h263.h"
 #include "mpeg4video.h"
 #include "msmpeg4.h"

libavcodec/sipr16k.c

@@ -29,7 +29,6 @@
 #include "libavutil/float_dsp.h"
 #include "libavutil/mathematics.h"
 #include "lsp.h"
-#include "celp_filters.h"
 #include "acelp_vectors.h"
 #include "acelp_pitch_delay.h"
 #include "acelp_filters.h"

libavcodec/snowenc.c

@@ -22,7 +22,6 @@
 #include "libavutil/log.h"
 #include "libavutil/opt.h"
 #include "avcodec.h"
-#include "internal.h"
 #include "dsputil.h"
 #include "internal.h"
 #include "snow_dwt.h"

libavcodec/utils.c

@@ -40,7 +40,6 @@
 #include "libavutil/imgutils.h"
 #include "libavutil/samplefmt.h"
 #include "libavutil/dict.h"
-#include "libavutil/avassert.h"
 #include "avcodec.h"
 #include "dsputil.h"
 #include "libavutil/opt.h"