Resolve "Remove commented code"

include/analysePlot.h

include/animation.h

include/autoCalib.h

include/aviFileWriter.h

include/backgroundFilter.h

include/borderFilter.h

include/brightContrastFilter.h

include/calibStereoFilter.h

include/codeMarkerWidget.h

include/colorMarkerItem.h

include/colorMarkerWidget.h

include/colorPlot.h

include/colorRangeWidget.h

include/control.h

include/coordItem.h

include/extrCalibration.h

include/filter.h

include/gridItem.h

include/helper.h

include/imageItem.h