libcamera: pipeline: simple: Drop unused members of configuration

The SimpleCameraConfiguration class has a sensorFormat_ member variable
and a corresponding accessor that are never used. Drop them.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Tested-by: Phi-Bang Nguyen <pnguyen@baylibre.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>

src/libcamera/pipeline/simple/simple.cpp

@@ -94,8 +94,6 @@ public:
 
 	Status validate() override;
 
-	const V4L2SubdeviceFormat &sensorFormat() { return sensorFormat_; }
-
 	bool needConversion() const { return needConversion_; }
 
 private:
@@ -107,7 +105,6 @@ private:
 	std::shared_ptr<Camera> camera_;
 	const SimpleCameraData *data_;
 
-	V4L2SubdeviceFormat sensorFormat_;
 	bool needConversion_;
 };