simplify snippets

developer-workflow/extension-modules.rst

@@ -393,7 +393,7 @@ Now that everything is in place, it remains to compile the project:
 .. code-block:: shell
 
    make regen-configure
-   ./configure --with-pydebug
+   ./configure
    make regen-all
    make regen-stdlib-module-names
    make
@@ -404,8 +404,6 @@ Now that everything is in place, it remains to compile the project:
 
 * ``make regen-configure`` updates the :cpy-file:`configure` script.
 
-* ``./configure --with-pydebug`` updates the ``Makefile``.
-
 * ``make regen-all`` is responsible for regenerating header files and
   invoking other scripts, such as :ref:`Arguments Clinic <clinic>`.
   It is useful to run when you do not know which files should be updated.