gh-92417: logging docs: Remove warning that only applies to Python <3.2 (GH-92425)

(cherry picked from commit 318c4e9)

Co-authored-by: Alex Waygood <[email protected]>

Author: miss-islington

Doc/library/logging.rst

@@ -1073,16 +1073,6 @@ functions.
    Logs a message with level *level* on the root logger. The other arguments are
    interpreted as for :func:`debug`.
 
-   .. note:: The above module-level convenience functions, which delegate to the
-      root logger, call :func:`basicConfig` to ensure that at least one handler
-      is available. Because of this, they should *not* be used in threads,
-      in versions of Python earlier than 2.7.1 and 3.2, unless at least one
-      handler has been added to the root logger *before* the threads are
-      started. In earlier versions of Python, due to a thread safety shortcoming
-      in :func:`basicConfig`, this can (under rare circumstances) lead to
-      handlers being added multiple times to the root logger, which can in turn
-      lead to multiple messages for the same event.
-
 .. function:: disable(level=CRITICAL)
 
    Provides an overriding level *level* for all loggers which takes precedence over