chore: remove unnecessary comments from PR template

- Removed the initial comment section in the PR template
- This change simplifies the template and focuses on the actual content

Author: fulleni

.github/PULL_REQUEST_TEMPLATE.md

@@ -1,11 +1,3 @@
-<!--
-  Thanks for contributing!
-
-  Provide a description of your changes below and a general summary in the title
-
-  Please look at the following checklist to ensure that your PR can be accepted quickly:
--->
-
 ## Status
 
 **READY/IN DEVELOPMENT/HOLD**

lib/src/registry/data_operation_registry.dart

@@ -44,7 +44,6 @@ typedef ItemUpdater =
 typedef ItemDeleter =
     Future<void> Function(RequestContext context, String id, String? userId);
 
-
 final _log = Logger('DataOperationRegistry');
 
 /// {@template data_operation_registry}