Remove keyword argument which isn't understood by log()

 - Legacy-Id: 5757

Author: levkowetz

ietf/submit/utils.py

@@ -473,7 +473,7 @@ def move_docs(submission):
             os.rename(source, dest)
         else:
             if os.path.exists(dest):
-                log("Intended to move '%s' to '%s', but found source missing while destination exists.", send_mail=True)
+                log("Intended to move '%s' to '%s', but found source missing while destination exists.")
             else:
                 raise ValueError("Intended to move '%s' to '%s', but found source and destination missing.")