Update version, remove info box about other versions as it always gets outdated

conf.py

@@ -82,7 +82,7 @@ author = "Juan Linietsky, Ariel Manzur and the Godot community"
 
 # Version info for the project, acts as replacement for |version| and |release|
 # The short X.Y version
-version = os.getenv("READTHEDOCS_VERSION", "3.5")
+version = os.getenv("READTHEDOCS_VERSION", "3.6")
 # The full version, including alpha/beta/rc tags
 release = version
 

index.rst

@@ -1,4 +1,4 @@
-Godot Docs – *3.5* branch
+Godot Docs – *3.6* branch
 =========================
 
 .. only:: not i18n
@@ -7,12 +7,6 @@ Godot Docs – *3.5* branch
             Expand the "Read the Docs" panel at the bottom of the sidebar to see
             the list.
 
-  .. tip:: This is the documentation for the 3.5 branch.
-           Looking for the documentation of the current **development** branch?
-           `Have a look here <https://docs.godotengine.org/en/latest>`_.
-           You can also browse the documentation for the current stable
-           `3.4 <https://docs.godotengine.org/en/3.4>`_ branch.
-
 .. only:: i18n
 
   .. note:: This documentation is translated from the `original English one