code: public void removeTimeChart(String chartID) throws ShanksException {
          Scenario3DPortrayal scenarioPortrayal = (Scenario3DPortrayal) this
                  .getSimulation().getScenarioPortrayal();
          scenarioPortrayal.removeTimeChart(chartID);
      }
docs: Remove a chart to the simulation
  
  @param chartID
  @throws DuplicatedPortrayalIDException
  @throws ScenarioNotFoundException