Remove deprecated function in docs

Author: schloerke

docs/_quartodoc-core.yml

@@ -91,7 +91,6 @@ quartodoc:
         - ui.panel_fixed
         - ui.panel_conditional
         - ui.panel_title
-        - ui.panel_well
     - title: Uploads & downloads
       desc: Allow users to upload and download files.
       contents:

docs/_quartodoc-express.yml

@@ -157,7 +157,6 @@ quartodoc:
         - express.ui.panel_absolute
         - express.ui.panel_fixed
         - express.ui.panel_title
-        - express.ui.panel_well
     - title: Uploads & downloads
       desc: Allow users to upload and download files.
       contents: