Breaking Change: Remove deprecated reflection methods

See https://protobuf.dev/news/2024-10-02/#reflection-methods for detail

PiperOrigin-RevId: 688656103

python/google/protobuf/reflection.py

@@ -34,52 +34,3 @@
 GeneratedProtocolMessageType = message_factory._GENERATED_PROTOCOL_MESSAGE_TYPE
 
 MESSAGE_CLASS_CACHE = {}
-
-
-# Deprecated. Please NEVER use reflection.ParseMessage().
-def ParseMessage(descriptor, byte_str):
-  """Generate a new Message instance from this Descriptor and a byte string.
-
-  DEPRECATED: ParseMessage is deprecated because it is using MakeClass().
-  Please use MessageFactory.GetMessageClass() instead.
-
-  Args:
-    descriptor: Protobuf Descriptor object
-    byte_str: Serialized protocol buffer byte string
-
-  Returns:
-    Newly created protobuf Message object.
-  """
-  warnings.warn(
-      'reflection.ParseMessage() is deprecated. Please use '
-      'MessageFactory.GetMessageClass() and message.ParseFromString() instead. '
-      'reflection.ParseMessage() will be removed in Jan 2025.',
-      stacklevel=2,
-  )
-  result_class = MakeClass(descriptor)
-  new_msg = result_class()
-  new_msg.ParseFromString(byte_str)
-  return new_msg
-
-
-# Deprecated. Please NEVER use reflection.MakeClass().
-def MakeClass(descriptor):
-  """Construct a class object for a protobuf described by descriptor.
-
-  DEPRECATED: use MessageFactory.GetMessageClass() instead.
-
-  Args:
-    descriptor: A descriptor.Descriptor object describing the protobuf.
-  Returns:
-    The Message class object described by the descriptor.
-  """
-  warnings.warn(
-      'reflection.MakeClass() is deprecated. Please use '
-      'MessageFactory.GetMessageClass() instead. '
-      'reflection.MakeClass() will be removed in Jan 2025.',
-      stacklevel=2,
-  )
-  # Original implementation leads to duplicate message classes, which won't play
-  # well with extensions. Message factory info is also missing.
-  # Redirect to message_factory.
-  return message_factory.GetMessageClass(descriptor)