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 toggleFilter(StepFilter filter) {
			boolean newState = !filter.isChecked();
			filter.setChecked(newState);
			fViewer.setChecked(filter, newState);
		}
		
		/*
		 * @see IStructuredContentProvider#getElements(Object)
		 */
		public Object[] getElements(Object inputElement) {
			return fFilters.toArray();
		}
		
		/*
		 * @see IContentProvider#inputChanged(Viewer, Object, Object)
		 */
		public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
		}
		
		/*
		 * @see IContentProvider#dispose()
		 */
		public void dispose() {
		}		
	}
	
	/**
	 * Support for editing entries in filter table.
	 */
	protected class CellModifier implements ICellModifier {