chore: consolidate some code

src/lib/comments.mjs

@@ -1,7 +1,12 @@
+import logger from './logger.mjs';
+
 export async function createComment(repo, issueId, body) {
   return repo.issues(issueId).comments.create({ body });
 }
 
 export async function deleteComment(repo, commentId) {
-  return repo.issues.comments(commentId).remove();
+  const res = await repo.issues.comments(commentId).remove();
+  if (res) logger.debug(`Comment ${commentId} deleted`);
+  else logger.error(new Error(`Failed to remove comment ${commentId}`));
+  return res;
 }