Update dependeabot config (#30153)

.dependabot/config.yml

@@ -1,14 +1,10 @@
 # https://dependabot.com/docs/config-file/
 version: 1
 update_configs:
-  # Keep package.json (& lockfiles) up to date as soon as
-  # new versions are published to the npm registry
   - package_manager: "javascript"
     directory: "/"
     update_schedule: "weekly"
-    # Apply default reviewer and label to created pull requests
     default_reviewers:
-      - "Johann-S"
       - "XhmikosR"
     default_labels:
       - "dependencies"