update comment in test. Delete extra reference to this issue, #722

Author: d-w-moore

irods/test/modules/test_signal_handling_in_multithread_put.py

@@ -37,8 +37,8 @@ def test(test_case, signal_names=("SIGTERM", "SIGINT")):
                 )
 
                 # Wait for download process to reach the point of spawning data transfer threads.  In Python 3.9+ versions
-                # of the concurrent.futures module, these are nondaemon threads and will block the exit of the main thread
-                # unless measures are taken (#722).
+                # of the concurrent.futures module, these are non-daemon threads and will block the exit of the main thread
+                # unless measures are taken.
                 logical_path = process.stdout.readline().strip()
 
                 # Use timeout of 10 minutes for test transfer, which should be more than enough.