Remove vaSetSubpicturePalette, please use vaSetImagePalette

Signed-off-by: Austin Yuan <shengquan.yuan@intel.com>

i965_drv_video/i965_drv_video.c

@@ -1397,7 +1397,7 @@ __vaDriverInit_0_30(  VADriverContextP ctx )
     ctx->vtable.vaCreateSubpicture = i965_CreateSubpicture;
     ctx->vtable.vaDestroySubpicture = i965_DestroySubpicture;
     ctx->vtable.vaSetSubpictureImage = i965_SetSubpictureImage;
-    ctx->vtable.vaSetSubpicturePalette = i965_SetSubpicturePalette;
+    //ctx->vtable.vaSetSubpicturePalette = i965_SetSubpicturePalette;
     ctx->vtable.vaSetSubpictureChromakey = i965_SetSubpictureChromakey;
     ctx->vtable.vaSetSubpictureGlobalAlpha = i965_SetSubpictureGlobalAlpha;
     ctx->vtable.vaAssociateSubpicture = i965_AssociateSubpicture;

src/va_backend.h

@@ -298,11 +298,6 @@ struct VADriverVTable
                 VAImageID image
         );
 
-	VAStatus (*vaSetSubpicturePalette) (
-		VADriverContextP ctx,
-		VASubpictureID subpicture,
-		unsigned char *palette);
-
 	VAStatus (*vaSetSubpictureChromakey) (
 		VADriverContextP ctx,
 		VASubpictureID subpicture,