Bug 5474 should not use tool tips for labels
To be consistent with other preference pages, the debug preference labels for step filtering (filter sythetic methods, etc), should not specify tool tips. Instead, the relevant information should just be in the label.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/preferences/JavaDebugPreferencePage.java
* that each fragment is added to the list only once.
	 */
	private SelectionDialog createAllPackagesDialog(Shell shell) throws JavaModelException{
		IWorkspaceRoot wsroot= JavaPlugin.getWorkspace().getRoot();
		IJavaModel model= JavaCore.create(wsroot);
		IJavaProject[] projects= model.getJavaProjects();
		Set packageNameSet= new HashSet(); 
		List packageList = new ArrayList();
		for (int i = 0; i < projects.length; i++) {						
			IPackageFragment[] pkgs= projects[i].getPackageFragments();	
			for (int j = 0; j < pkgs.length; j++) {
				IPackageFragment pkg = pkgs[j];
				if (!pkg.hasChildren() && (pkg.getNonJavaResources().length > 0)) {
					continue;
				}
				if (packageNameSet.add(pkg.getElementName())) {
					packageList.add(pkg);
				}
			}
		}
		int flags= JavaElementLabelProvider.SHOW_DEFAULT;
		ElementListSelectionDialog dialog= new ElementListSelectionDialog(shell, new JavaElementLabelProvider(flags));
		dialog.setIgnoreCase(false);
		dialog.setElements(packageList.toArray()); 
		return dialog;
	}
			
	/**
	 * @see IWorkbenchPreferencePage#init(IWorkbench)
	 */