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
/**
	 * Creates a button with the given label and sets the default 
	 * configuration data.
	 */
	private Button createCheckButton(Composite parent, String label) {
		Button button= new Button(parent, SWT.CHECK | SWT.LEFT);
		button.setText(label);
		button.addListener(SWT.Selection, this);		
		
		GridData data = new GridData();	
		button.setLayoutData(data);
		
		return button;
	}
	
	/**
	 * Creates composite control and sets the default layout data.
	 *
	 * @param parent  the parent of the new composite
	 * @param numColumns  the number of columns for the new composite
	 * @param labelText  the text label of the new composite
	 * @return the newly-created composite
	 */
	private Composite createLabelledComposite(Composite parent, int numColumns, String labelText) {
		Composite comp = new Composite(parent, SWT.NONE);
		
		
		GridLayout layout = new GridLayout();
		layout.numColumns = numColumns;