Bug 36514 call hierarchy: should remove 'search ... using ..' preferences
we should decide whether the answer should be true or false and remove the preference settings - no user will ever understand what the setting means
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/callhierarchy/CallHierarchyViewPart.java
static final int JAVA_LABEL_FORMAT_LONG = JavaElementLabelProvider.SHOW_OVERLAY_ICONS |
        JavaElementLabelProvider.SHOW_PARAMETERS |
        JavaElementLabelProvider.SHOW_RETURN_TYPE |
        JavaElementLabelProvider.SHOW_POST_QUALIFIED;
    static final String GROUP_SEARCH_SCOPE = "MENU_SEARCH_SCOPE"; 
    static final String ID_CALL_HIERARCHY = "org.eclipse.jdt.ui.CallHierarchy"; 
    private static final String GROUP_FOCUS = "group.focus"; 
    private static final int PAGE_EMPTY = 0;
    private static final int PAGE_VIEWER = 1;
    private Label fNoHierarchyShownLabel;
    private PageBook fPagebook;
    private IDialogSettings fDialogSettings;
    private int fCurrentOrientation;
    private int fCurrentCallMode;
    private int fCurrentJavaLabelFormat;
    private MethodWrapper fCalleeRoot;
    private MethodWrapper fCallerRoot;
    private IMemento fMemento;
    private IMethod fShownMethod;
    private SelectionProviderMediator fSelectionProviderMediator;
    private List fMethodHistory;
    private TableViewer fLocationViewer;
    private Menu fLocationContextMenu;
    private SashForm fHierarchyLocationSplitter;
    private SearchScopeActionGroup fSearchScopeActions;
    private ToggleOrientationAction[] fToggleOrientationActions;
    private ToggleCallModeAction[] fToggleCallModeActions;
    private ToggleJavaLabelFormatAction[] fToggleJavaLabelFormatActions;
    private CallHierarchyFiltersActionGroup fFiltersActionGroup;
    private HistoryDropDownAction fHistoryDropDownAction;