Revert "GH-116380: Speed up glob.[i]glob() by making fewer system calls. (#116392)" (#130743)

This broke tests on the 'aarch64 Fedora Stable Clang Installed 3.x' and
'AMD64 Fedora Stable Clang Installed 3.x' build bots.

This reverts commit da4899b.

Author: barneygale

Doc/library/glob.rst

@@ -75,6 +75,10 @@ The :mod:`glob` module defines the following functions:
       Using the "``**``" pattern in large directory trees may consume
       an inordinate amount of time.
 
+   .. note::
+      This function may return duplicate path names if *pathname*
+      contains multiple "``**``" patterns and *recursive* is true.
+
    .. versionchanged:: 3.5
       Support for recursive globs using "``**``".
 
@@ -84,11 +88,6 @@ The :mod:`glob` module defines the following functions:
    .. versionchanged:: 3.11
       Added the *include_hidden* parameter.
 
-   .. versionchanged:: 3.14
-      Matching path names are returned only once. In previous versions, this
-      function may return duplicate path names if *pathname* contains multiple
-      "``**``" patterns and *recursive* is true.
-
 
 .. function:: iglob(pathname, *, root_dir=None, dir_fd=None, recursive=False, \
                     include_hidden=False)
@@ -99,6 +98,10 @@ The :mod:`glob` module defines the following functions:
    .. audit-event:: glob.glob pathname,recursive glob.iglob
    .. audit-event:: glob.glob/2 pathname,recursive,root_dir,dir_fd glob.iglob
 
+   .. note::
+      This function may return duplicate path names if *pathname*
+      contains multiple "``**``" patterns and *recursive* is true.
+
    .. versionchanged:: 3.5
       Support for recursive globs using "``**``".
 
@@ -108,11 +111,6 @@ The :mod:`glob` module defines the following functions:
    .. versionchanged:: 3.11
       Added the *include_hidden* parameter.
 
-   .. versionchanged:: 3.14
-      Matching path names are yielded only once. In previous versions, this
-      function may yield duplicate path names if *pathname* contains multiple
-      "``**``" patterns and *recursive* is true.
-
 
 .. function:: escape(pathname)
 

Doc/whatsnew/3.14.rst

@@ -968,14 +968,6 @@ base64
   (Contributed by Bénédikt Tran, Chris Markiewicz, and Adam Turner in :gh:`118761`.)
 
 
-glob
-----
-
-* Reduce the number of system calls in :func:`glob.glob` and :func:`~glob.iglob`,
-  thereby improving the speed of globbing operations by 20-80%.
-  (Contributed by Barney Gale in :gh:`116380`.)
-
-
 io
 ---
 * :mod:`io` which provides the built-in :func:`open` makes less system calls