V4L/DVB (7911): Remove v4l2_video_std_fps prototype declaration

The v4l2_video_std_fps function has been removed by Adrian Bunk in 2004
but then its prototype re-appeared in include/media/v4l2-dev.h. Remove it.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

include/media/v4l2-dev.h

@@ -40,7 +40,6 @@
 #define VFL_TYPE_VTX		3
 
 /*  Video standard functions  */
-extern unsigned int v4l2_video_std_fps(struct v4l2_standard *vs);
 extern char *v4l2_norm_to_name(v4l2_std_id id);
 extern int v4l2_video_std_construct(struct v4l2_standard *vs,
 				    int id, char *name);