remove creation of file name (was for testing only)

mpsd-software-environment.py

@@ -711,7 +711,7 @@ def main():
     args = parser.parse_args()
 
     # parse logging first
-    set_up_logging(args.loglevel, filename="test.log")
+    set_up_logging(args.loglevel)
 
     # target dir is the place where this script exists. the
     # release `dev` in script_dir/dev-23a