Update test to rely on installation of anywidget rather than version

Author: marthacryan

packages/python/plotly/plotly/tests/test_core/test_figure_widget_backend/test_missing_ipywigets.py

@@ -6,12 +6,7 @@
 
 try:
     import anywidget as _anywidget
-    from packaging.version import Version as _Version
-
-    if _Version(_anywidget.__version__) >= _Version("7.0.0"):
-        missing_anywidget = False
-    else:
-        raise ImportError()
+    missing_anywidget = False
 except Exception:
     missing_anywidget = True