add breaking changes

docs/references/api/stored_procedures.rst

@@ -415,42 +415,3 @@ You can call overloaded functions with different number of arguments.
 .. important::
 
   Overloaded functions with the same argument names but different types are not supported.
-
-.. _bulk_call:
-
-Bulk Call
----------
-
-It's possible to call a function in a bulk way, analogously to :ref:`bulk_insert`. To do this, you need to add the
-``Prefer: params=multiple-objects`` header to your request.
-
-.. tabs::
-
-  .. code-tab:: http
-
-    POST /rpc/add_them HTTP/1.1
-    Content-Type: text/csv
-    Prefer: params=multiple-objects
-
-    a,b
-    1,2
-    3,4
-
-  .. code-tab:: bash Curl
-
-    curl "http://localhost:3000/rpc/add_them" \
-      -X POST -H "Content-Type: text/csv" \
-      -H "Prefer: params=multiple-objects" \
-      --data-binary @- << EOF
-    a,b
-    1,2
-    3,4
-    EOF
-
-.. code-block:: json
-
-   [ 3, 7 ]
-
-If you have large payloads to process, it's preferable you instead use a function with an :ref:`array parameter <s_procs_array>` or JSON parameter, as this will be more efficient.
-
-It's also possible to :ref:`Specify Columns <specify_columns>` on functions calls.