fix: fixed lone quantitifier error in regex (#418)

Author: pawan1210

modules/simple_bucket/metadata.display.yaml

@@ -48,7 +48,7 @@ spec:
             origin:
               name: origin
               title: Origin
-              regexValidation: "^([*]|https?://([a-zA-Z0-9.-]+|[[0-9a-fA-F:.]+])(:[0-9]{1,5})?)$"
+              regexValidation: "^([*]|(https?)://([a-zA-Z0-9.-]+|[0-9a-fA-F:]+)(:([0-9]{1,5}))?)$"
               validation: Must be "*" or a valid HTTP/HTTPS origin, optionally including a port (e.g., https://example.com, http://localhost:8080).
             response_header:
               name: response_header
@@ -194,8 +194,6 @@ spec:
         log_bucket:
           name: log_bucket
           title: Log Bucket
-          regexValidation: "^([A-Za-z0-9-_.]+)/?$"
-          validation: Must be a valid bucket name or namespaced identifier (letters, numbers, hyphens, underscores, periods), e.g., my-log-bucket or project-id/my-log-bucket
         log_object_prefix:
           name: log_object_prefix
           title: Log Object Prefix