[Deleted] deleted unnecessary comment

src/main/java/com/example/workflow/AutoFill.java

@@ -36,7 +36,7 @@ public class AutoFill implements JavaDelegate {
             return username;
         } catch (Exception e) {
             e.printStackTrace();
-            return null;  // エラー発生時はnullを返す
+            return null;
         }
     }
 }