code: def remove_item(self, name):
      for item in traverse_tree_widget(self):
          if item.text(0) == name:
              sip.delete(item)
  
imports: from PyQt5 import QtCore, QtGui, QtWidgets, sip
  from PyQt5.QtCore import Qt
  from pandasgui.store import PandasGuiDataFrameStore, PandasGuiStore
  from pandasgui.widgets import base_widgets
  import tempfile
  import os
  from pandasgui.utility import traverse_tree_widget
  from pandasgui.widgets.column_viewer import FlatDraggableTree
  from pandasgui.widgets.json_viewer import JsonViewer
label_desc: Use image node_id 3 for calling the Navigator obj's underlying member method code with example usage: obj.remove_item(name) without return types