Attempt to fix memory leak in AthenaOutputStreamTool
0fc6d9d1 from !67465 (merged) possibly causes the memory leak.
Hence, reverting it to attempt to fix ATLASG-2660
Edited by Alaettin Serhan Mete
0fc6d9d1 from !67465 (merged) possibly causes the memory leak.
Hence, reverting it to attempt to fix ATLASG-2660