Remove ipywidgets link from the Applications section (Lab, Notebook, Voilà) (#818)

Author: SylvainCorlay

try.html

@@ -39,12 +39,6 @@
       alt: Python logo - Launch Jupyter Notebook demo
       url: https://jupyter.org/try-jupyter/notebooks/?path=notebooks/Intro.ipynb
 
-    - title: Jupyter Widgets
-      description: HTML widgets in Jupyter notebooks for interactive exploration of input data
-      src: try/jupyter.png
-      alt: JupyterLite logo - Launch Jupyter Widgets demo
-      url: https://ipywidgets.rtfd.io/en/latest/try/lab/index.html?path=Widget%20List.ipynb
-
     - title: Voilà
       description: Share insights by converting notebooks into interactive dashboards
       src: try/voila.svg