libcamera: pipeline: raspberrypi: Do not mark the Embedded Data stream as external

Remove the code that marks the Embedded Data stream as external with the Unicam
Image (RAW) stream. This was needed for legacy reasons when matching image and
embedded buffers, but is not needed any more.

Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
Reviewed-by: David Plowman <david.plowman@raspberrypi.com>
Tested-by: David Plowman <david.plowman@raspberrypi.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
1 file changed