scDeleteFigure

  scDeleteFigure does some house-keeping when a sigTOOL data view is deleted

  Example:
  scDeleteFigure()
  scDeleteFigure(fhandle)
  fhandle will default to gcbf is not specified.

  -------------------------------------------------------------------------
  Author: Malcolm Lidierth 11/06
  Copyright © The Author & King's College London 2006-2007
  -------------------------------------------------------------------------