Update index page, remove logo definitions which is used from global.rst

Depends on: debops/docs#236

docs/index.rst

@@ -8,21 +8,18 @@ DebOps Contrib components are no official part of DebOps_, but might
 be migrated to it in the future.
 
 You can find all DebOps Contrib components under: https://github.com/debops-contrib/
-Note that not every DebOps Contrib component have a corresponding documentation
+Note that not every DebOps Contrib component has a corresponding documentation
 appearing here yet.
 
 .. toctree::
    :maxdepth: 2
    :glob:
 
-   debops-contrib/README.rst
+   debops-contrib/README
    adding-roles
    ansible/roles/index
    ansible/roles/ansible-*/docs/index
 
-
-.. |debops_logo| image:: https://debops.org/images/debops-small.png
-
 ..
  Local Variables:
  mode: rst