media: am437x: remove unused struct vpfe_pixel_format

struct vpfe_pixel_format was defined, but never used. Remove it.
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Acked-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>

drivers/media/platform/am437x/am437x-vpfe.h

@@ -65,12 +65,6 @@ struct vpfe_hw_if_param {
 #define VPFE_MAX_SUBDEV		1
 #define VPFE_MAX_INPUTS		1
 
-struct vpfe_pixel_format {
-	struct v4l2_fmtdesc fmtdesc;
-	/* bytes per pixel */
-	int bpp;
-};
-
 struct vpfe_std_info {
 	int active_pixels;
 	int active_lines;