Bug 125872 [clean up] 'Serial id' should not be in J2SE 5 section
20060131 'Serial id' should not be in J2SE 5 section. It is valid for all source levels.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/fix/CleanUpRefactoringWizard.java
if (projects.length == 1) {
				project= projects[0];
			} else {
				project= null;
			}
			NameCleanUpTuple[] cleanUps= getNamedCleanUps();
			for (int i= 0; i < cleanUps.length; i++) {
				NameCleanUpTuple tuple= cleanUps[i];
				
				Group group= new Group(parent, SWT.NONE);
				group.setLayoutData(new GridData(SWT.FILL, SWT.TOP, true, false));
				group.setLayout(new GridLayout(1, true));
				group.setText(tuple.getName());
				
				ICleanUp cleanUp= tuple.getCleanUp();
				cleanUp.createConfigurationControl(group);
				if (project != null && !cleanUp.canCleanUp(project)) {
					disableGroup(group);
				}
			}
		}
		
		private void disableGroup(Composite composite) {
			composite.setEnabled(false);
			Control[] children= composite.getChildren();
			for (int i= 0; i < children.length; i++) {
				Control child= children[i];
				if (child instanceof Composite) {
					disableGroup((Composite)child);
				} else {