libcamera: pipeline: simple: Remove the unused configs_ variable

Remove the unused configs_ member variable in SimpleCameraData.

Signed-off-by: Phi-Bang Nguyen <pnguyen@baylibre.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>

src/libcamera/pipeline/simple/simple.cpp

@@ -85,7 +85,6 @@ public:
 	std::list<Entity> entities_;
 	V4L2VideoDevice *video_;
 
-	std::vector<Configuration> configs_;
 	std::map<PixelFormat, Configuration> formats_;
 };