gh-140344: ast: Remove classes deprecated in 3.9

Author: jepler

Lib/ast.py

@@ -614,18 +614,6 @@ def _dims_setter(self, value):
 
     Tuple.dims = property(_dims_getter, _dims_setter)
 
-class Suite(mod):
-    """Deprecated AST node class.  Unused in Python 3."""
-
-class AugLoad(expr_context):
-    """Deprecated AST node class.  Unused in Python 3."""
-
-class AugStore(expr_context):
-    """Deprecated AST node class.  Unused in Python 3."""
-
-class Param(expr_context):
-    """Deprecated AST node class.  Unused in Python 3."""
-
 
 def unparse(ast_obj):
     global _Unparser

Misc/NEWS.d/next/Library/2025-10-19-19-55-48.gh-issue-140345.D0id_5.rst

@@ -0,0 +1,2 @@
+The classes ``ast.Suite``, ``ast.AugLoad``, ``ast.AugStore``, and
+``ast.Param``, deprecated since Python 3.9, have been removed.