Remove refs to 3.6

Removed links and other refs to 3.6.

Also removed some paragraphs and parts of tables that don't make sense to be in Redot docs.

.github/workflows/build_offline_docs.yml

@@ -14,7 +14,6 @@ jobs:
         branch:
           - master
           - stable
-          - 3.6
     steps:
       - uses: actions/checkout@v4
         with:

README.md

@@ -8,14 +8,12 @@ They are meant to be parsed with the [Sphinx](https://www.sphinx-doc.org/) docum
 
 To browse the documentation offline, you can download an HTML copy (updated every Monday):
 [stable](https://download.redotengine.org/docs/redot-docs-html-stable.zip),
-[latest](https://download.redotengine.org/docs/redot-docs-html-master.zip),
-[3.6](https://download.redotengine.org/docs/redot-docs-html-3.6.zip). Extract
+[latest](https://download.redotengine.org/docs/redot-docs-html-master.zip). Extract
 the ZIP archive then open the top-level `index.html` in a web browser.
 
 For mobile devices or e-readers, you can also download an ePub copy (updated every Monday):
 [stable](https://download.redotengine.org/docs/redot-docs-epub-stable.zip),
-[latest](https://download.redotengine.org/docs/redot-docs-epub-master.zip),
-[3.6](https://download.redotengine.org/docs/redot-docs-epub-3.6.zip). Extract
+[latest](https://download.redotengine.org/docs/redot-docs-epub-master.zip). Extract
 the ZIP archive then open the `RedotEngine.epub` file in an e-book reader application.
 
 ## Theming

_templates/versions.html

@@ -34,24 +34,10 @@
         <dd><a href="{{ url }}">{{ slug }}</a></dd>
       {% endfor %}
     </dl>
-    <dl>
-      {# Translators: The phrase "Read the Docs" is not translated #}
-      <dt>{{ _('On Read the Docs') }}</dt>
-        <dd>
-          <a href="//{{ PRODUCTION_DOMAIN }}/projects/{{ slug }}">{{ _('Project Home') }}</a>
-        </dd>
-        <dd>
-          <a href="//{{ PRODUCTION_DOMAIN }}/projects/{{ slug }}/builds/">{{ _('Builds') }}</a>
-        </dd>
-        <dd>
-          <a href="//{{ PRODUCTION_DOMAIN }}/projects/{{ slug }}/downloads/">{{ _('Downloads') }}</a>
-        </dd>
-    </dl>
 
     <hr>
     <small>
       <span>Hosted by <a href="https://readthedocs.org">Read the Docs</a></span>
-      <span> · </span>
       <a href="https://docs.readthedocs.io/page/privacy-policy.html">Privacy Policy</a>
     </small>