Kernel: Removed unused code from copy/paste utils.

Was a remainders of removing constraints...

Issue-Ref: 3977
Issue-Url: https://af3-developer.fortiss.org/issues/3977



Signed-off-by: Andreas Bayha <bayha@fortiss.org>

org.fortiss.tooling.kernel.ui/src/org/fortiss/tooling/kernel/ui/util/.ratings

 ActionUtils.java 4553e487264e3d1f86f4767da4a7400cce4b9a5d GREEN
-CopyPasteUtils.java aa9a24ff499a505cbb27e6e5a6f462776caa5025 YELLOW
+CopyPasteUtils.java 62ac1094c1d56c83251b01ce7b52c2217625a79c YELLOW
 DataBindingUtils.java 631c47881caa13fc567679a7e4416eb777af0713 GREEN
 DragAndDropUtils.java 7aab91518aa12d76533a345bf6ed0be9ac7ff0e5 GREEN
 EObjectSelectionUtils.java 128cf8f96c6b9478171dff3deda662d5934f5f44 GREEN

org.fortiss.tooling.kernel.ui/src/org/fortiss/tooling/kernel/ui/util/CopyPasteUtils.java

@@ -23,7 +23,6 @@ import java.util.Collection;
 
 import org.eclipse.emf.common.util.BasicEList;
 import org.eclipse.emf.common.util.EList;
-import org.eclipse.emf.common.util.TreeIterator;
 import org.eclipse.emf.ecore.EObject;
 import org.eclipse.emf.ecore.util.EcoreUtil;
 import org.eclipse.swt.dnd.Clipboard;
@@ -64,13 +63,6 @@ public class CopyPasteUtils {
 			EcoreUtil.Copier copier = new EcoreUtil.Copier(true, true);
 			for(EObject obj : sel) {
 				content[i] = copier.copy(obj);
-				// TODO(JE): remove unused code
-				// Remove constraint instances: these are specific to their original elements and
-				// should not be copied.
-				TreeIterator<EObject> it = content[i].eAllContents();
-				while(it.hasNext()) {
-					EObject subObj = it.next();
-				}
 				i++;
 			}
 			copier.copyReferences();