libcamera: pipeline: simple: Remove non-implemented methods

The initLinks() and createCamera() methods are declared but never
defined. Remove them.

Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>

src/libcamera/pipeline/simple/simple.cpp

@@ -145,10 +145,6 @@ private:
 			PipelineHandler::cameraData(camera));
 	}
 
-	int initLinks();
-
-	int createCamera(MediaEntity *sensor);
-
 	void bufferReady(FrameBuffer *buffer);
 	void converterDone(FrameBuffer *input, FrameBuffer *output);