libavcodec, libavdevice: Remove unnecessary includes of version.h

xvmc.h used FF_API_* macros before, but they were removed in
1c63aed232febf4404659bf006237ee4f7f17c9c, leaving the include
unused.

The ones in android_camera.c and mediacodec_wrapper.c have been
added due to a misunderstanding, fixed in
c0bce367e4932f0fb09195e6978ac1a5a60480a4 and
13b77af2f0b56d6c87bb147947337981c21f4245.

The one in mediacodec.c seems to never have been used at all.

Signed-off-by: Martin Storsjö <martin@martin.st>

libavcodec/mediacodec.c

@@ -35,7 +35,6 @@
 
 #include "ffjni.h"
 #include "mediacodecdec_common.h"
-#include "version.h"
 
 AVMediaCodecContext *av_mediacodec_alloc_context(void)
 {

libavcodec/mediacodec_wrapper.c

@@ -28,7 +28,6 @@
 
 #include "avcodec.h"
 #include "ffjni.h"
-#include "version.h"
 #include "mediacodec_wrapper.h"
 
 struct JNIAMediaCodecListFields {

libavcodec/xvmc.h

@@ -32,7 +32,6 @@
 #include <X11/extensions/XvMC.h>
 
 #include "libavutil/attributes.h"
-#include "version.h"
 #include "avcodec.h"
 
 /**

libavdevice/android_camera.c

@@ -43,8 +43,6 @@
 #include "libavutil/threadmessage.h"
 #include "libavutil/time.h"
 
-#include "version.h"
-
 /* This image format is available on all Android devices
  * supporting the Camera2 API */
 #define IMAGE_FORMAT_ANDROID AIMAGE_FORMAT_YUV_420_888