fix: linting

Signed-off-by: Chris Butler <chris.butler@redhat.com>

Author: butler54

rhdp/rhdp-cluster-define.py

@@ -5,7 +5,7 @@
 import os
 import pathlib
 import shutil
-from typing import List, Dict, Optional
+from typing import List, Dict
 
 import typer
 from jinja2 import Environment, FileSystemLoader, select_autoescape