disable deprecated (#26684)

python/paddle/utils/deprecated.py

@@ -44,6 +44,8 @@ def deprecated(update_to="", since="", reason=""):
     """
 
     def decorator(func):
+        # TODO(zhiqiu): We temporally disable the warnings for 2.0-bata, and it should be re-enabled in the future.
+        return func
         """construct warning message, and return a decorated function or class."""
         assert isinstance(update_to, str), 'type of "update_to" must be str.'
         assert isinstance(since, str), 'type of "since" must be str.'