remove offending line

src/publisher_vision.cpp

@@ -158,7 +158,7 @@ void PublisherVisionDebug::publishDerived()
         // Extract cv image
         cv::Mat cv_img_debug;
         cv::cvtColor(cap_img->getImage(), cv_img_debug, cv::COLOR_GRAY2BGR);
-        cv::cvtColor(cap_img_origin->getImage(), cv_img_debug, cv::COLOR_GRAY2BGR);
+//        cv::cvtColor(cap_img_origin->getImage(), cv_img_debug, cv::COLOR_GRAY2BGR);
 
         // Draw all tracks
         showTracks(cv_img_debug, track_matrix, cap_img);