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
public void widgetSelected(SelectionEvent se) {
				addActiveFilter();
			}
			public void widgetDefaultSelected(SelectionEvent se) {
			}
		});
		
		
		fAddTypeButton = new Button(buttonContainer, SWT.PUSH);
		fAddTypeButton.setText("Add &Type...");
		fAddTypeButton.setToolTipText("Choose a java type and add it to step filters");
		gd = new GridData(GridData.FILL_HORIZONTAL | GridData.VERTICAL_ALIGN_BEGINNING);
		fAddTypeButton.setLayoutData(gd);
		fAddTypeButton.addSelectionListener(new SelectionListener() {
			public void widgetSelected(SelectionEvent se) {
				addType();
			}
			public void widgetDefaultSelected(SelectionEvent se) {
			}
		});
		
		
		fAddPackageButton = new Button(buttonContainer, SWT.PUSH);
		fAddPackageButton.setText("Add &Package...");
		fAddPackageButton.setToolTipText("Choose a package and add it to step filters");
		gd = new GridData(GridData.FILL_HORIZONTAL | GridData.VERTICAL_ALIGN_BEGINNING);
		fAddPackageButton.setLayoutData(gd);
		fAddPackageButton.addSelectionListener(new SelectionListener() {
			public void widgetSelected(SelectionEvent se) {
				addPackage();