libcamera: pipeline: rkisp1: Remove redundant check of buffer in Request

There is no need to check if Request contains a buffer belonging the
RkISP1 Camera as this is already done in Camera::queueRequest(), remove
the redundant check.

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

src/libcamera/pipeline/rkisp1/rkisp1.cpp

@@ -243,11 +243,6 @@ RkISP1FrameInfo *RkISP1Frames::create(unsigned int frame, Request *request, Stre
 	FrameBuffer *statBuffer = pipe_->availableStatBuffers_.front();
 
 	FrameBuffer *videoBuffer = request->findBuffer(stream);
-	if (!videoBuffer) {
-		LOG(RkISP1, Error)
-			<< "Attempt to queue request with invalid stream";
-		return nullptr;
-	}
 
 	pipe_->availableParamBuffers_.pop();
 	pipe_->availableStatBuffers_.pop();