[Doc-Release-2.9][2.6] eol the 2.6 release (#64118)

* eol the release

* remove version selector

docs/docsite/_themes/sphinx_rtd_theme/layout.html

@@ -161,8 +161,6 @@
             </a>
           </div>
 
-          {% include "ansible_versions.html" %}
-
           <div class="wy-side-nav-search" style="background-color#5bbdbf;height=80px;margin:'auto auto auto auto'">
             {% include "searchbox.html" %}
           </div>
@@ -232,8 +230,8 @@
         </div> -->
 
           {% include "breadcrumbs.html" %}
-          
-          {% include "ansible_banner.html" %}
+
+          {% include "ansible_eol_banner.html" %}
           <div id="page-content">
           {% block body %}{% endblock %}
           </div>

docs/docsite/rst/conf.py

@@ -140,9 +140,9 @@ html_context = {
     'github_version': 'devel/docs/docsite/rst/',
     'github_module_version': 'devel/lib/ansible/modules/',
     'current_version': version,
-    'latest_version': '2.8',
+    'latest_version': '2.9',
     # list specifically out of order to make latest work
-    'available_versions': ('latest', '2.7', '2.6', 'devel')
+    'available_versions': ('latest',)
 }
 
 # The style sheet to use for HTML and HTML Help pages. A file of that name