Apply suggestions from code review

Co-authored-by: Malte Sander <malte.sander.it@gmail.com>

Author: sbernauer

tests/templates/kuttl/iceberg-rest/61-provision-nifi-flow.yaml

@@ -54,7 +54,7 @@ data:
     import urllib3
 
     # As of 2022-08-29 we cant use "https://nifi:8443" here because <h2>The request contained an invalid host header [<code>nifi:8443</code>] in the request [<code>/nifi-api</code>]. Check for request manipulation or third-party intercept.</h2>
-    ENDPOINT = f"https://nifi-node-default-0.nifi-node-default-headless.{os.environ['NAMESPACE']}.svc.cluster.local:8443" # For local testing / developing replace it, afterwards change back to f"https://nifi-node-default-0.nifi-node-default-headless.{os.environ['NAMESPACE']}.svc.cluster.local:8443"
+    ENDPOINT = f"https://nifi-node-default-0.nifi-node-default-headless.{os.environ['NAMESPACE']}.svc.cluster.local:8443"
     USERNAME = "admin"
     PASSWORD = open("/nifi-users/admin").read()