cleaned warning from unused legacy var

org.fortiss.tooling.base.ui/trunk/src/org/fortiss/tooling/base/ui/editor/ConstraintBasedProcessEditor.java

@@ -92,9 +92,6 @@ public class ConstraintBasedProcessEditor<CBP extends IConstraintBasedProcess> e
 	/** Model context of the edited project. */
 	private ITopLevelElement top;
 
-	/** The default configuration. */
-	private ConstraintConfiguration defaultConfig;
-
 	/** Constraint container for the edited project. */
 	private IConstraintInstanceContainer cstrContainer;
 
@@ -156,7 +153,7 @@ public class ConstraintBasedProcessEditor<CBP extends IConstraintBasedProcess> e
 	public void createPartControl(Composite parent) {
 		top = IPersistencyService.getInstance().getTopLevelElementFor(editedObject);
 		getSite().setSelectionProvider(this);
-		defaultConfig = retrieveDefaultConfig(editedObject);
+		retrieveDefaultConfig(editedObject);
 		cstrContainer = editedObject.getConstraintInstanceContainer();
 		parent.setLayout(new GridLayout(1, true));
 		createTree(parent);