revert unrelated change

Author: charlesdong1991

bindings/python/fluss/__init__.pyi

@@ -861,6 +861,10 @@ class TableBucket:
     def __str__(self) -> str: ...
     def __repr__(self) -> str: ...
 
+class TableDistribution:
+    def bucket_keys(self) -> List[str]: ...
+    def bucket_count(self) -> Optional[int]: ...
+
 class PartitionInfo:
     """Information about a partition."""