CanonicalExtensions/Examples navigation w/o new link or subtitle

Author: tadeja

docs/source/format/CanonicalExtensions.rst

@@ -546,11 +546,6 @@ Primitive Type Mappings
 | UUID extension type  | UUID                   |
 +----------------------+------------------------+
 
-.. toctree::
-   :maxdepth: 1
-
-   CanonicalExtensions/Examples
-
 .. _timestamp_with_offset_extension:
 
 Timestamp With Offset
@@ -595,4 +590,10 @@ Arrow extension types for representing vector geometries. It is well known
 within the Arrow geospatial subcommunity. The GeoArrow specification is not yet
 finalized.
 
+.. toctree::
+   :maxdepth: 1
+   :hidden:
+
+   CanonicalExtensions/Examples
+
 .. _rfc8259: https://datatracker.ietf.org/doc/html/rfc8259