revert adding unneeded checks

org.framed.iorm.editpolicymodel.tests/src/Editpolicymodel/tests/IsStepInTest.java

-/**
- */
-package Editpolicymodel.tests;
-
-import Editpolicymodel.EditpolicymodelFactory;
-import Editpolicymodel.IsStepIn;
-
-import junit.textui.TestRunner;
-
-/**
- * <!-- begin-user-doc -->
- * A test case for the model object '<em><b>Is Step In</b></em>'.
- * <!-- end-user-doc -->
- * @generated
- */
-public class IsStepInTest extends ConstraintRuleTest {
-
-	/**
-	 * <!-- begin-user-doc -->
-	 * <!-- end-user-doc -->
-	 * @generated
-	 */
-	public static void main(String[] args) {
-		TestRunner.run(IsStepInTest.class);
-	}
-
-	/**
-	 * Constructs a new Is Step In test case with the given name.
-	 * <!-- begin-user-doc -->
-	 * <!-- end-user-doc -->
-	 * @generated
-	 */
-	public IsStepInTest(String name) {
-		super(name);
-	}
-
-	/**
-	 * Returns the fixture for this Is Step In test case.
-	 * <!-- begin-user-doc -->
-	 * <!-- end-user-doc -->
-	 * @generated
-	 */
-	@Override
-	protected IsStepIn getFixture() {
-		return (IsStepIn)fixture;
-	}
-
-	/**
-	 * <!-- begin-user-doc -->
-	 * <!-- end-user-doc -->
-	 * @see junit.framework.TestCase#setUp()
-	 * @generated
-	 */
-	@Override
-	protected void setUp() throws Exception {
-		setFixture(EditpolicymodelFactory.eINSTANCE.createIsStepIn());
-	}
-
-	/**
-	 * <!-- begin-user-doc -->
-	 * <!-- end-user-doc -->
-	 * @see junit.framework.TestCase#tearDown()
-	 * @generated
-	 */
-	@Override
-	protected void tearDown() throws Exception {
-		setFixture(null);
-	}
-
-} //IsStepInTest

org.framed.iorm.ui/src/org/framed/iorm/ui/subeditors/FRaMEDFeatureEditor.java

@@ -176,9 +176,6 @@ public class FRaMEDFeatureEditor extends EditorPart {
 	 * @param featureModel the feature model to instantiate the configuration with
 	 */
 	private void loadConfiguration(Model rootModel, IFeatureModel featureModel) {
-		if(rootModel == null) {
-			return;
-		}
 	    FRaMEDConfiguration framedConfiguration = rootModel.getFramedConfiguration();
 	    configuration = new Configuration(featureModel);
 	    configuration.getPropagator().update();
@@ -280,8 +277,6 @@ public class FRaMEDFeatureEditor extends EditorPart {
 	 * updates the labels text and color if the configuration is valid or not
 	 */
 	 private void updateInfoLabel() {
-		 if(configuration == null)
-			 return;
 		 Boolean valid = configuration.isValid();
 		 infoLabel.setText(valid ? "VALID Configuration" : "INVALID Configuration");
 		 infoLabel.setForeground(valid ? COLOR_VALID_CONFIGURATION : COLOR_INVALID_CONFIGURATION);
@@ -293,8 +288,6 @@ public class FRaMEDFeatureEditor extends EditorPart {
 	private void updateTree() {
 	    tree.removeAll();
 	    final TreeItem root = new TreeItem(tree, 0);
-	    if(configuration == null)
-	    	return;
 	    final SelectableFeature rootFeature = configuration.getRoot();
 		root.setText(configuration.getRoot().getName());
 	    root.setData(configuration.getRoot());