libs: encoder: remove va.h include

Since it is already managed by gstvaapicompat.h

https://bugzilla.gnome.org/show_bug.cgi?id=786119

gst-libs/gst/vaapi/gstvaapiencoder_h264.c

@@ -27,7 +27,6 @@
 #define GLIB_DISABLE_DEPRECATION_WARNINGS
 
 #include "sysdeps.h"
-#include <va/va.h>
 #include <gst/base/gstbitwriter.h>
 #include <gst/codecparsers/gsth264parser.h>
 #include "gstvaapicompat.h"

gst-libs/gst/vaapi/gstvaapiencoder_h265.c

@@ -22,7 +22,6 @@
 
 #include "sysdeps.h"
 #include <math.h>
-#include <va/va.h>
 #include <gst/base/gstbitwriter.h>
 #include <gst/codecparsers/gsth265parser.h>
 #include "gstvaapicompat.h"

gst-libs/gst/vaapi/gstvaapiencoder_jpeg.c

@@ -21,7 +21,6 @@
  */
 
 #include "sysdeps.h"
-#include <va/va.h>
 #include <gst/base/gstbitwriter.h>
 #include <gst/codecparsers/gstjpegparser.h>
 #include "gstvaapicompat.h"

gst-libs/gst/vaapi/gstvaapiencoder_mpeg2.c

@@ -21,16 +21,14 @@
  *  Boston, MA 02110-1301 USA
  */
 
-#include "sysdeps.h"
 #include <math.h>
-#include <va/va.h>
+#include "sysdeps.h"
 #include <gst/base/gstbitwriter.h>
 #include "gstvaapicompat.h"
 #include "gstvaapiencoder_mpeg2.h"
 #include "gstvaapiencoder_mpeg2_priv.h"
 #include "gstvaapiutils_mpeg2_priv.h"
 #include "gstvaapicodedbufferproxy_priv.h"
-
 #include "gstvaapicontext.h"
 #include "gstvaapisurface.h"
 #include "gstvaapidisplay_priv.h"

gst-libs/gst/vaapi/gstvaapiencoder_vp8.c

@@ -21,7 +21,6 @@
  */
 
 #include "sysdeps.h"
-#include <va/va.h>
 #include <gst/base/gstbitwriter.h>
 #include <gst/codecparsers/gstvp8parser.h>
 #include "gstvaapicompat.h"

gst-libs/gst/vaapi/gstvaapiencoder_vp9.c

@@ -21,7 +21,6 @@
  */
 
 #include "sysdeps.h"
-#include <va/va.h>
 #include <gst/base/gstbitwriter.h>
 #include <gst/codecparsers/gstvp9parser.h>
 #include "gstvaapicompat.h"