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
private Button fHexButton;
	private Button fCharButton;
	private Button fUnsignedButton;
	private CheckboxTableViewer fFilterViewer;
	private Table fFilterTable;
	private Button fUseFiltersCheckbox;
	private Button fAddPackageButton;
	private Button fAddTypeButton;
	private Button fRemoveFilterButton;
	private Button fAddFilterButton;
	private Button fFilterSyntheticButton;
	private Button fFilterStaticButton;
	private Button fFilterConstructorButton;
	private Text fEditorText;
	private TableEditor fTableEditor;
	private TableItem fNewTableItem;
	private StepFilter fNewStepFilter;
	
	
	private static final String[] TABLE_COLUMN_PROPERTIES = {"filter_name"}; 
	private static final int FILTERNAME_PROP= 0; 
	
	private StepFilterContentProvider fStepFilterContentProvider;
	private ICellEditorValidator fCellValidator;
	
	/**
	 * Model object that represents a single entry in the table
	 */
	protected class StepFilter {