Remove example projects from readme

I'm removing the "Example projects" list from the readme since we don't need to maintain that list in two separate places. We are already doing this in https://docs.readthedocs.io/en/stable/examples.html where we added Antora and this readme was not updated.

Author: humitos

README.md

@@ -88,12 +88,6 @@ The list is a work in progress, please feel invited to [contribute](#contributin
 
 <!-- END CONTENT -->
 
-## Example projects
-
-- [Basic Sphinx example](https://github.com/readthedocs-examples/example-sphinx-basic) - Basic example of using Sphinx on Read the Docs. **#sphinx**.
-- [Basic MkDocs example](https://github.com/readthedocs-examples/example-mkdocs-basic) - Basic example of using MkDocs on Read the Docs. **#mkdocs**.
-- [Jupyter Book example](https://github.com/readthedocs-examples/example-jupyter-book) - Using Jupyter Book on Read the Docs with popular extensions. **#jupyter-notebook** **#sphinx**.
-
 ## Tag cloud
 
 The categories in this list are intersecting at the following tags: