Updates view after deleting signature genes.

Author: chrtannus

EnrichmentMapPlugin/src/main/java/org/baderlab/csplugins/enrichmentmap/view/control/ControlPanelMediator.java

@@ -571,6 +571,7 @@ public void taskFinished(ObservableTask task) {
 				public void allFinished(FinishStatus finishStatus) {
 					viewPanel.updateDataSetSelector();
 					updateLegends(viewPanel);
+					viewPanel.getNetworkView().updateView();
 				}
 			});
 		}