feat: remove version flag from NiFi 1 reporting task (#1190)

Author: dervoeti

nifi/python/create_nifi_reporting_task.py

@@ -128,9 +128,6 @@ def main():
     all_args.add_argument(
         "-p", "--password", required=True, help="Password for the user."
     )
-    all_args.add_argument(
-        "-v", "--nifi_version", required=True, help="The NiFi product version."
-    )
     all_args.add_argument(
         "-c",
         "--cert",