[3.14] gh-101100: Fix Sphinx warnings in 'Buffer Object Structures' documentation (GH-151058)

(cherry picked from commit a1873300ee)

Co-authored-by: Christian Zinck <christian.zinck@gmail.com>

Doc/c-api/typeobj.rst

@@ -3045,13 +3045,13 @@ Buffer Object Structures
    steps:
 
    (1) Check if the request can be met. If not, raise :exc:`BufferError`,
-       set :c:expr:`view->obj` to ``NULL`` and return ``-1``.
+       set ``view->obj`` to ``NULL`` and return ``-1``.
 
    (2) Fill in the requested fields.
 
    (3) Increment an internal counter for the number of exports.
 
-   (4) Set :c:expr:`view->obj` to *exporter* and increment :c:expr:`view->obj`.
+   (4) Set ``view->obj`` to *exporter* and increment ``view->obj``.
 
    (5) Return ``0``.
 
@@ -3077,10 +3077,10 @@ Buffer Object Structures
    schemes can be used:
 
    * Re-export: Each member of the tree acts as the exporting object and
-     sets :c:expr:`view->obj` to a new reference to itself.
+     sets ``view->obj`` to a new reference to itself.
 
    * Redirect: The buffer request is redirected to the root object of the
-     tree. Here, :c:expr:`view->obj` will be a new reference to the root
+     tree. Here, ``view->obj`` will be a new reference to the root
      object.
 
    The individual fields of *view* are described in section
@@ -3134,7 +3134,7 @@ Buffer Object Structures
    *view* argument.
 
 
-   This function MUST NOT decrement :c:expr:`view->obj`, since that is
+   This function MUST NOT decrement ``view->obj``, since that is
    done automatically in :c:func:`PyBuffer_Release` (this scheme is
    useful for breaking reference cycles).
 

Doc/tools/.nitignore

@@ -8,7 +8,6 @@ Doc/c-api/init_config.rst
 Doc/c-api/intro.rst
 Doc/c-api/module.rst
 Doc/c-api/stable.rst
-Doc/c-api/typeobj.rst
 Doc/library/ast.rst
 Doc/library/asyncio-extending.rst
 Doc/library/email.charset.rst