gh-92417: socket docs: remove references to Python <3.3 (GH-92544) (GH-92968)

(cherry picked from commit 639b62c)

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

Author: miss-islington

Doc/library/socket.rst

@@ -233,9 +233,9 @@ resolution and/or the host configuration.  For deterministic behavior use a
 numeric address in *host* portion.
 
 All errors raise exceptions.  The normal exceptions for invalid argument types
-and out-of-memory conditions can be raised; starting from Python 3.3, errors
+and out-of-memory conditions can be raised. Errors
 related to socket or address semantics raise :exc:`OSError` or one of its
-subclasses (they used to raise :exc:`socket.error`).
+subclasses.
 
 Non-blocking mode is supported through :meth:`~socket.setblocking`.  A
 generalization of this based on timeouts is supported through