Bug 31078 Context menu for types includes Add Bookmark
1) select a class in the outline or package explorer -> Add Bookmark appears in the context menu We should remove this action
org.eclipse.jdt.ui/ui/org/eclipse/jdt/ui/actions/GenerateActionGroup.java
private AddGetterSetterAction fAddGetterSetter;
	private AddDelegateMethodsAction fAddDelegateMethods;
	private AddUnimplementedConstructorsAction fAddUnimplementedConstructors;
	private AddJavaDocStubAction fAddJavaDocStub;
	private AddBookmarkAction fAddBookmark;
	private AddTaskAction fAddTaskAction;
	private ExternalizeStringsAction fExternalizeStrings;
	private FindStringsToExternalizeAction fFindStringsToExternalize;
	private SurroundWithTryCatchAction fSurroundWithTryCatch;
	private AddToClasspathAction fAddToClasspathAction;
	private RemoveFromClasspathAction fRemoveFromClasspathAction;
	
	private OrganizeImportsAction fOrganizeImports;
	private SortMembersAction fSortMembers;
	private ConvertLineDelimitersAction fConvertToWindows;
	private ConvertLineDelimitersAction fConvertToUNIX;
	private ConvertLineDelimitersAction fConvertToMac;
	/**
	 * Note: This constructor is for internal use only. Clients should not call this constructor.
	 */
	public GenerateActionGroup(CompilationUnitEditor editor, String groupName) {
		fSite= editor.getSite();
		fEditor= editor;
		fGroupName= groupName;
		ISelectionProvider provider= fSite.getSelectionProvider();
		ISelection selection= provider.getSelection();
	
		fAddImport= new AddImportOnSelectionAction(editor);
		fAddImport.setActionDefinitionId(IJavaEditorActionDefinitionIds.ADD_IMPORT);
		fAddImport.update();